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S’mores Cookie Bars Irresistible Sweet Delight

by on September 2, 2025

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Do you crave a sweet treat that brings back summer camp memories? Look no further! My S’mores Cookie Bars are a perfect blend of gooey marshmallows, rich chocolate, and crunchy graham crackers, all packed into a soft cookie base. They are easy to make and will leave everyone begging for more. Join me as we dive into simple steps to create this irresistible sweet delight that will light up your gatherings!

- 1 cup unsalted butter (softened) - 1 cup brown sugar (packed) - 1/2 cup granulated sugar - 2 large eggs - 1 teaspoon vanilla extract - 2 cups all-purpose flour - 1 teaspoon baking soda - 1/2 teaspoon salt - 1 cup mini chocolate chips - 1 cup mini marshmallows - 1 cup crushed graham crackers - Types of chocolate (dark, milk, or white) - Additional toppings (chocolate sauce, sprinkles) These ingredients come together to create a treat that everyone loves. The soft butter helps make the bars chewy. Brown sugar adds a nice depth of flavor. The granulated sugar gives just the right amount of sweetness. Eggs bind everything, making it all hold together. Using mini chocolate chips means each bite has rich chocolate. Mini marshmallows provide that fluffy texture and sweet taste. Crushed graham crackers add crunch and a taste of classic s'mores. You can switch up the chocolate type based on your taste. Dark chocolate gives a richer flavor, while white can be sweeter. Adding chocolate sauce on top makes it even more special. Feel free to mix in sprinkles for fun colors! These ingredients are simple but create a big impact. They make your S'mores Cookie Bars a true delight for all ages. {{ingredient_image_1}} - Preheat the oven to 350°F (175°C). - Grease or line a 9x13-inch baking pan. This helps with easy removal later. - In a large bowl, cream together 1 cup of softened butter, 1 cup of brown sugar, and 1/2 cup of granulated sugar. Mix until light and fluffy. - Add 2 large eggs, one at a time. Mix well after each egg. Stir in 1 teaspoon of vanilla extract to enhance the flavor. - In another bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking soda, and 1/2 teaspoon of salt. Gradually add this dry mix to the wet ingredients. Mix until just combined. - Fold in 1 cup of mini chocolate chips and 1 cup of crushed graham crackers. This gives the bars that classic s'mores flavor. - Press half of the cookie dough evenly into the bottom of the prepared pan. - Sprinkle 1 cup of mini marshmallows over the dough layer. Then, take the rest of the cookie dough and spread it gently over the marshmallows. - Bake the bars in the preheated oven for 25-30 minutes. Look for golden brown edges and a set center to know they're done. To get the best texture, start by creaming the butter and sugars. Use room temperature butter for easy mixing. Beat them together until the mix looks light and fluffy. This step adds air, making the bars soft. Be careful not to overmix the dough once you add the flour. Mix until just combined. Overmixing can lead to tough bars. For a great presentation, cut the S'mores Cookie Bars into squares. You can drizzle some chocolate sauce on top. A sprinkle of crushed graham crackers adds a nice crunch. These bars taste amazing with a scoop of ice cream or a dollop of whipped cream. The cold creaminess balances the warm, gooey bars. One common mistake is overbaking or underbaking the bars. Keep an eye on them while baking. Look for golden edges and a set center. Also, distribute the toppings evenly. If you don’t, some bites will have too much or too little topping. This can change how each piece tastes. Pro Tips Use Room Temperature Ingredients: Ensure your butter and eggs are at room temperature for better mixing and a smoother dough. Don't Overmix: Mix the dry ingredients into the wet until just combined to keep the bars tender and chewy. Cool Before Cutting: Let the bars cool for at least 15 minutes in the pan to set properly, making them easier to cut into squares. Storage Tips: Store leftover bars in an airtight container at room temperature for up to a week for the best texture and flavor. {{image_2}} You can take your S'mores Cookie Bars to the next level with fun flavors. Add a layer of peanut butter or Nutella for a rich twist. This will give your bars a creamy texture that pairs well with the chocolate. You can also mix in nuts or dried fruits for a tasty crunch. Chopped walnuts or cranberries can give you extra flavor and texture. If you need gluten-free options, swap all-purpose flour with almond flour or a gluten-free blend. These options will keep your bars delicious and safe for those with gluten issues. For a dairy-free version, use coconut oil instead of butter. You can find dairy-free chocolate chips to keep the chocolate flavor strong without the dairy. Make your S'mores Cookie Bars festive with themed versions. Use colored marshmallows for holidays like Easter or Halloween. You can add sprinkles or themed toppings to match the season. This fun touch makes your bars not only tasty but also great for parties and celebrations. To keep your S'mores Cookie Bars fresh, use an airtight container. A glass or plastic container works well. Layer parchment paper between the bars to prevent sticking. Store them at room temperature for up to five days. If you want to keep them longer, place them in the fridge. Just remember, cold can change the texture a bit. Freezing S'mores Cookie Bars is simple. First, cut them into squares. Wrap each piece tightly in plastic wrap. Then, place the wrapped bars in a freezer-safe bag or container. Make sure to remove as much air as possible. They can last up to three months in the freezer. When you're ready to eat, take out a bar. Let it thaw in the fridge or on the counter for about an hour. If you prefer warm bars, pop them in the microwave for about 15 seconds. Enjoy your tasty treat! Yes, you can use regular marshmallows. They will melt and create a gooey layer. However, they may not spread evenly. Mini marshmallows work better for even coverage. You should also consider the texture. Mini marshmallows mix well into the dough, while regular ones can create large clumps. This can change the look and feel of your bars. Look for golden brown edges. The center should be set but still soft. A toothpick inserted should come out with a few moist crumbs. If it comes out wet, bake a few more minutes. Keep an eye on the time. You want them soft, not hard. Let them cool slightly before cutting to help them hold shape. Yes, you can make these bars ahead of time. Bake them and let them cool completely. Then, store them in an airtight container. They will stay fresh for about 3 days at room temperature. You can also freeze them for up to 3 months. Just wrap them well in plastic wrap and foil. Thaw them in the fridge when you’re ready to enjoy! In this blog post, I shared a simple recipe for S'mores Cookie Bars. You saw the ingredients, step-by-step instructions, and tips for perfect texture. You can customize these bars with different flavors and toppings to suit your taste. Remember to store them properly to keep them fresh. Baking doesn’t have to be hard. With these tips, you can enjoy tasty treats any time. Get creative and have fun with your baking!

Why I Love This Recipe

  1. Deliciously Gooey: The combination of melted chocolate and marshmallows creates a rich, gooey texture that is simply irresistible.
  2. Easy to Make: This recipe is straightforward and takes minimal time, perfect for a quick dessert fix any day of the week.
  3. Perfect for Sharing: With 24 servings, these cookie bars are ideal for parties, gatherings, or a family treat.
  4. Customizable: Feel free to add nuts, different types of chocolate, or even swap out graham crackers for a unique twist!

Ingredients

List of Ingredients

– 1 cup unsalted butter (softened)

– 1 cup brown sugar (packed)

– 1/2 cup granulated sugar

– 2 large eggs

– 1 teaspoon vanilla extract

– 2 cups all-purpose flour

– 1 teaspoon baking soda

– 1/2 teaspoon salt

– 1 cup mini chocolate chips

– 1 cup mini marshmallows

– 1 cup crushed graham crackers

Optional Ingredients for Customization

– Types of chocolate (dark, milk, or white)

– Additional toppings (chocolate sauce, sprinkles)

These ingredients come together to create a treat that everyone loves. The soft butter helps make the bars chewy. Brown sugar adds a nice depth of flavor. The granulated sugar gives just the right amount of sweetness. Eggs bind everything, making it all hold together.

Using mini chocolate chips means each bite has rich chocolate. Mini marshmallows provide that fluffy texture and sweet taste. Crushed graham crackers add crunch and a taste of classic s’mores.

You can switch up the chocolate type based on your taste. Dark chocolate gives a richer flavor, while white can be sweeter. Adding chocolate sauce on top makes it even more special.

Feel free to mix in sprinkles for fun colors! These ingredients are simple but create a big impact. They make your S’mores Cookie Bars a true delight for all ages.

Step-by-Step Instructions

Preparation Steps

– Preheat the oven to 350°F (175°C).

– Grease or line a 9×13-inch baking pan. This helps with easy removal later.

Mixing the Ingredients

– In a large bowl, cream together 1 cup of softened butter, 1 cup of brown sugar, and 1/2 cup of granulated sugar. Mix until light and fluffy.

– Add 2 large eggs, one at a time. Mix well after each egg. Stir in 1 teaspoon of vanilla extract to enhance the flavor.

– In another bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking soda, and 1/2 teaspoon of salt. Gradually add this dry mix to the wet ingredients. Mix until just combined.

Assembling and Baking

– Fold in 1 cup of mini chocolate chips and 1 cup of crushed graham crackers. This gives the bars that classic s’mores flavor.

– Press half of the cookie dough evenly into the bottom of the prepared pan.

– Sprinkle 1 cup of mini marshmallows over the dough layer. Then, take the rest of the cookie dough and spread it gently over the marshmallows.

– Bake the bars in the preheated oven for 25-30 minutes. Look for golden brown edges and a set center to know they’re done.

Tips & Tricks

Achieving the Perfect Texture

To get the best texture, start by creaming the butter and sugars. Use room temperature butter for easy mixing. Beat them together until the mix looks light and fluffy. This step adds air, making the bars soft.

Be careful not to overmix the dough once you add the flour. Mix until just combined. Overmixing can lead to tough bars.

Serving Suggestions

For a great presentation, cut the S’mores Cookie Bars into squares. You can drizzle some chocolate sauce on top. A sprinkle of crushed graham crackers adds a nice crunch.

These bars taste amazing with a scoop of ice cream or a dollop of whipped cream. The cold creaminess balances the warm, gooey bars.

Common Mistakes to Avoid

One common mistake is overbaking or underbaking the bars. Keep an eye on them while baking. Look for golden edges and a set center.

Also, distribute the toppings evenly. If you don’t, some bites will have too much or too little topping. This can change how each piece tastes.

Pro Tips

  1. Use Room Temperature Ingredients: Ensure your butter and eggs are at room temperature for better mixing and a smoother dough.
  2. Don’t Overmix: Mix the dry ingredients into the wet until just combined to keep the bars tender and chewy.
  3. Cool Before Cutting: Let the bars cool for at least 15 minutes in the pan to set properly, making them easier to cut into squares.
  4. Storage Tips: Store leftover bars in an airtight container at room temperature for up to a week for the best texture and flavor.

Variations

Flavor Customizations

You can take your S’mores Cookie Bars to the next level with fun flavors. Add a layer of peanut butter or Nutella for a rich twist. This will give your bars a creamy texture that pairs well with the chocolate. You can also mix in nuts or dried fruits for a tasty crunch. Chopped walnuts or cranberries can give you extra flavor and texture.

Dietary Adjustments

If you need gluten-free options, swap all-purpose flour with almond flour or a gluten-free blend. These options will keep your bars delicious and safe for those with gluten issues. For a dairy-free version, use coconut oil instead of butter. You can find dairy-free chocolate chips to keep the chocolate flavor strong without the dairy.

Themed Versions

Make your S’mores Cookie Bars festive with themed versions. Use colored marshmallows for holidays like Easter or Halloween. You can add sprinkles or themed toppings to match the season. This fun touch makes your bars not only tasty but also great for parties and celebrations.

Storage Info

How to Store S’mores Cookie Bars

To keep your S’mores Cookie Bars fresh, use an airtight container. A glass or plastic container works well. Layer parchment paper between the bars to prevent sticking. Store them at room temperature for up to five days. If you want to keep them longer, place them in the fridge. Just remember, cold can change the texture a bit.

Freezing Instructions

Freezing S’mores Cookie Bars is simple. First, cut them into squares. Wrap each piece tightly in plastic wrap. Then, place the wrapped bars in a freezer-safe bag or container. Make sure to remove as much air as possible. They can last up to three months in the freezer.

When you’re ready to eat, take out a bar. Let it thaw in the fridge or on the counter for about an hour. If you prefer warm bars, pop them in the microwave for about 15 seconds. Enjoy your tasty treat!

FAQs

Can I use regular-sized marshmallows instead of mini?

Yes, you can use regular marshmallows. They will melt and create a gooey layer. However, they may not spread evenly. Mini marshmallows work better for even coverage. You should also consider the texture. Mini marshmallows mix well into the dough, while regular ones can create large clumps. This can change the look and feel of your bars.

How do I know when the bars are done baking?

Look for golden brown edges. The center should be set but still soft. A toothpick inserted should come out with a few moist crumbs. If it comes out wet, bake a few more minutes. Keep an eye on the time. You want them soft, not hard. Let them cool slightly before cutting to help them hold shape.

Can I make these S’mores Cookie Bars ahead of time?

Yes, you can make these bars ahead of time. Bake them and let them cool completely. Then, store them in an airtight container. They will stay fresh for about 3 days at room temperature. You can also freeze them for up to 3 months. Just wrap them well in plastic wrap and foil. Thaw them in the fridge when you’re ready to enjoy!

In this blog post, I shared a simple recipe for S’mores Cookie Bars. You saw the ingredients, step-by-step instructions, and tips for perfect texture. You can customize these bars with different flavors and toppings to suit your taste. Remember to store them properly to keep them fresh. Baking doesn’t have to be hard. With these tips, you can enjoy tasty treats any time. Get creative and have fun with your bakin

- 1 cup unsalted butter (softened) - 1 cup brown sugar (packed) - 1/2 cup granulated sugar - 2 large eggs - 1 teaspoon vanilla extract - 2 cups all-purpose flour - 1 teaspoon baking soda - 1/2 teaspoon salt - 1 cup mini chocolate chips - 1 cup mini marshmallows - 1 cup crushed graham crackers - Types of chocolate (dark, milk, or white) - Additional toppings (chocolate sauce, sprinkles) These ingredients come together to create a treat that everyone loves. The soft butter helps make the bars chewy. Brown sugar adds a nice depth of flavor. The granulated sugar gives just the right amount of sweetness. Eggs bind everything, making it all hold together. Using mini chocolate chips means each bite has rich chocolate. Mini marshmallows provide that fluffy texture and sweet taste. Crushed graham crackers add crunch and a taste of classic s'mores. You can switch up the chocolate type based on your taste. Dark chocolate gives a richer flavor, while white can be sweeter. Adding chocolate sauce on top makes it even more special. Feel free to mix in sprinkles for fun colors! These ingredients are simple but create a big impact. They make your S'mores Cookie Bars a true delight for all ages. {{ingredient_image_1}} - Preheat the oven to 350°F (175°C). - Grease or line a 9x13-inch baking pan. This helps with easy removal later. - In a large bowl, cream together 1 cup of softened butter, 1 cup of brown sugar, and 1/2 cup of granulated sugar. Mix until light and fluffy. - Add 2 large eggs, one at a time. Mix well after each egg. Stir in 1 teaspoon of vanilla extract to enhance the flavor. - In another bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking soda, and 1/2 teaspoon of salt. Gradually add this dry mix to the wet ingredients. Mix until just combined. - Fold in 1 cup of mini chocolate chips and 1 cup of crushed graham crackers. This gives the bars that classic s'mores flavor. - Press half of the cookie dough evenly into the bottom of the prepared pan. - Sprinkle 1 cup of mini marshmallows over the dough layer. Then, take the rest of the cookie dough and spread it gently over the marshmallows. - Bake the bars in the preheated oven for 25-30 minutes. Look for golden brown edges and a set center to know they're done. To get the best texture, start by creaming the butter and sugars. Use room temperature butter for easy mixing. Beat them together until the mix looks light and fluffy. This step adds air, making the bars soft. Be careful not to overmix the dough once you add the flour. Mix until just combined. Overmixing can lead to tough bars. For a great presentation, cut the S'mores Cookie Bars into squares. You can drizzle some chocolate sauce on top. A sprinkle of crushed graham crackers adds a nice crunch. These bars taste amazing with a scoop of ice cream or a dollop of whipped cream. The cold creaminess balances the warm, gooey bars. One common mistake is overbaking or underbaking the bars. Keep an eye on them while baking. Look for golden edges and a set center. Also, distribute the toppings evenly. If you don’t, some bites will have too much or too little topping. This can change how each piece tastes. Pro Tips Use Room Temperature Ingredients: Ensure your butter and eggs are at room temperature for better mixing and a smoother dough. Don't Overmix: Mix the dry ingredients into the wet until just combined to keep the bars tender and chewy. Cool Before Cutting: Let the bars cool for at least 15 minutes in the pan to set properly, making them easier to cut into squares. Storage Tips: Store leftover bars in an airtight container at room temperature for up to a week for the best texture and flavor. {{image_2}} You can take your S'mores Cookie Bars to the next level with fun flavors. Add a layer of peanut butter or Nutella for a rich twist. This will give your bars a creamy texture that pairs well with the chocolate. You can also mix in nuts or dried fruits for a tasty crunch. Chopped walnuts or cranberries can give you extra flavor and texture. If you need gluten-free options, swap all-purpose flour with almond flour or a gluten-free blend. These options will keep your bars delicious and safe for those with gluten issues. For a dairy-free version, use coconut oil instead of butter. You can find dairy-free chocolate chips to keep the chocolate flavor strong without the dairy. Make your S'mores Cookie Bars festive with themed versions. Use colored marshmallows for holidays like Easter or Halloween. You can add sprinkles or themed toppings to match the season. This fun touch makes your bars not only tasty but also great for parties and celebrations. To keep your S'mores Cookie Bars fresh, use an airtight container. A glass or plastic container works well. Layer parchment paper between the bars to prevent sticking. Store them at room temperature for up to five days. If you want to keep them longer, place them in the fridge. Just remember, cold can change the texture a bit. Freezing S'mores Cookie Bars is simple. First, cut them into squares. Wrap each piece tightly in plastic wrap. Then, place the wrapped bars in a freezer-safe bag or container. Make sure to remove as much air as possible. They can last up to three months in the freezer. When you're ready to eat, take out a bar. Let it thaw in the fridge or on the counter for about an hour. If you prefer warm bars, pop them in the microwave for about 15 seconds. Enjoy your tasty treat! Yes, you can use regular marshmallows. They will melt and create a gooey layer. However, they may not spread evenly. Mini marshmallows work better for even coverage. You should also consider the texture. Mini marshmallows mix well into the dough, while regular ones can create large clumps. This can change the look and feel of your bars. Look for golden brown edges. The center should be set but still soft. A toothpick inserted should come out with a few moist crumbs. If it comes out wet, bake a few more minutes. Keep an eye on the time. You want them soft, not hard. Let them cool slightly before cutting to help them hold shape. Yes, you can make these bars ahead of time. Bake them and let them cool completely. Then, store them in an airtight container. They will stay fresh for about 3 days at room temperature. You can also freeze them for up to 3 months. Just wrap them well in plastic wrap and foil. Thaw them in the fridge when you’re ready to enjoy! In this blog post, I shared a simple recipe for S'mores Cookie Bars. You saw the ingredients, step-by-step instructions, and tips for perfect texture. You can customize these bars with different flavors and toppings to suit your taste. Remember to store them properly to keep them fresh. Baking doesn’t have to be hard. With these tips, you can enjoy tasty treats any time. Get creative and have fun with your baking!

S'mores Cookie Bars

Delicious cookie bars combining chocolate, marshmallows, and graham crackers for a classic s'mores flavor.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dessert
Cuisine American
Servings 24
Calories 150 kcal

Ingredients
  

  • 1 cup unsalted butter, softened
  • 1 cup brown sugar, packed
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup mini chocolate chips
  • 1 cup mini marshmallows
  • 1 cup crushed graham crackers

Instructions
 

  • Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking pan or line it with parchment paper for easy removal.
  • In a large mixing bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
  • Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.
  • In a separate bowl, whisk together the flour, baking soda, and salt. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
  • Fold in the mini chocolate chips and crushed graham crackers, ensuring an even distribution throughout the dough.
  • Press half of the cookie dough evenly into the bottom of the prepared baking pan.
  • Sprinkle the mini marshmallows on top of the dough layer, followed by the remaining cookie dough, spreading it gently over the marshmallows.
  • Bake in the preheated oven for 25-30 minutes, or until the edges are golden brown and the center is set.
  • Remove from oven and let the bars cool in the pan for about 15 minutes, then slice into squares and let them cool completely on a wire rack.

Notes

Serve these bars warm with a drizzle of chocolate sauce on top and a sprinkling of extra crushed graham crackers for added crunch!
Keyword cookie bars, dessert, s'mores

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