S’mores Bars

These simple five-ingredient s’mores bars are a perfect summer treat that’s available all year! A layer of crispy graham cracker crumbs, sweet milk chocolate, and gooey toasted marshmallows.

S'mores bars on a cutting board.

Why You’ll Love These

These s’mores bars are quick and easy to make without a campfire. A layer of graham cracker crumbs, topped with a layer of melty milk chocolate, and finished with a layer of warm toasted marshmallows.

This recipe makes enough to feed a crowd with the classic s’mores flavor!

  • You can adjust the amount of chocolate to your family’s desired thickness.
  • Toast the marshmallows to your preferred level of doneness.
  • Add some ground cinnamon to the graham cracker crust for a little additional warm spice.
  • Use semi-sweet chocolate or, even better, dark chocolate!

Some of our other favorite dessert recipes to make are Chai Biscotti, Apple Butter Pie, Coconut Cream Lush, Monster Cookies, and Chewy Snickerdoodle Bars.

Ingredients needed to make s'mores bars recipe.

Please refer to the recipe card below for the complete list of ingredients, quantities, and step-by-step instructions.

How to Make S’mores Bars

  • Preheat the oven to 350ºF. Line a 9×9 baking pan with parchment paper.
  • Mix the graham cracker crumbs with the granulated sugar and melted butter. Press evenly into the prepared pan. Bake for 8-10 minutes or until lightly browned.
A graham cracker crust mixed up in a metal bowl.
Pressing graham cracker crust into prepared pan.
  • Top with the chocolate chips and bake for 2-3 more minutes, until they begin to soften. Spread the melted chocolate into an even layer.
Spreading soft chocolate chips smooth over graham cracker crust.
Melted chocolate spread evenly over a graham cracker crust for the s'mores bars.
  • Top with the marshmallows, return to the oven, and bake another 8-10 minutes or until the marshmallows are puffed up and toasty brown. Cool on a wire rack.
Marshmallows lined over the melted chocolate for s'mores bars.
S'mores bars on a cutting board.

Tips

  • Butter or spray with nonstick cooking spray the top part of the parchment paper with nonstick cooking spray. The toasted marshmallows tend to stick to the paper.
  • Be sure the crust is packed firmly in the pan. The tighter the crust, the less likely it is to crumble.
  • When slicing the bars, run the knife under hot water and wipe clean with paper towels between each slice. This will give you cleaner slices.
  • Don’t pack the marshmallows tightly in the pan. Leave a little space between each one. When baking, they will puff up and join together. They will become even tighter together upon cooling.
  • You can use mini marshmallows if desired. Watch them closely while toasting, they might take a little less time.
  • Swap dark brown sugar for granulated sugar to achieve a more caramel-like flavor.
  • Cool them to room temperature, and the chocolate will still be slightly melted. If cooled completely, the chocolate will be set.

FAQs

Can s’mores bars be made ahead?

Yes, up to 2 days ahead. Do not refrigerate.

Can you freeze s’mores bars?

You can, but I DON’T recommend freezing.

More Delicious Chocolate Dessert Bar Recipes

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S'mores bars on a cutting board.

S’mores Bars Recipe

These s'mores bars are the perfect combination of crispy graham cracker crumbs, smooth milk chocolate, and gooey toasted marshmallows without the campfire!
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Course: Brownies / Bars, Dessert
Cuisine: American
Prep Time: 5 minutes
Cook Time: 25 minutes
Servings: 16
Calories: 321kcal
Author: Leigh Harris

Ingredients
 

  • 1 1/2 cups graham cracker crumbs
  • 1/2 cup Unsalted butter melted
  • 1/4 cup Granulated sugar
  • 3 cups Milk chocolate chips (2 1/2 cups to 3 cups)
  • 10 ounces Marshmallows

Instructions

  • Preheat oven to 350ºF. Line a 9×9 baking pan with parchment paper, leaving overhang for lifting out of the pan.
  • In a medium bowl, mix the graham cracker crumbs, melted butter, and granulated sugar together until all the crumbs are moist. Press firmly and evenly into the bottom of the pan. Bake for 8-10 minutes, until it is lightly browned.
    1 1/2 cups graham cracker crumbs, 1/2 cup Unsalted butter, 1/4 cup Granulated sugar
  • Sprinkle the milk chocolate chips evenly over the graham crust. Place in the oven for 2-3 minutes, until they begin to soften and melt. Remove from the oven and spread the melted chocolate into an even layer.
    3 cups Milk chocolate chips
  • Carefully place the marshmallows on top of the chocolate layer. Don't pack them in tightly, or you won't have enough to fill the pan. (The 9×9 pan holds 7 rows of 7 regular-size marshmallows.)
    10 ounces Marshmallows
  • Return to the oven and toast for 8-10 minutes, until the marshmallows are puffed and golden brown. Cool to room temperature on a wire rack.

Notes

Dip a knife in hot water and wipe clean with paper towels between each slice. The marshmallows can be quite sticky!
Store in an airtight container for up to 4 days. DO NOT REFRIGERATE.

Nutrition

Calories: 321kcal | Carbohydrates: 45g | Protein: 1g | Fat: 16g | Saturated Fat: 10g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 15mg | Sodium: 67mg | Potassium: 113mg | Fiber: 0.3g | Sugar: 34g | Vitamin A: 177IU | Calcium: 33mg | Iron: 0.4mg

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