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+ servings
making smores in the oven

S'mores Bar Recipe

This s'mores bar recipe bakes graham cracker, chocolate, and marshmallow together to create your favorite summer treat, no campfire required.
Course Dessert
Cuisine American
Keyword chocolate, graham cracker, marshmallow, smores
Prep Time 10 minutes
Cook Time 25 minutes
Servings 16


  • ½ cup unsalted butter - softened 1 stick
  • cup brown sugar packed
  • 1 tsp vanilla extract
  • 2 large eggs room temperature
  • 1 ⅓ cups all-purpose flour
  • 1 tsp baking powder
  • 1 tsp salt
  • 1 ¼ cups graham cracker crumbs
  • 1 cup chocolate chips
  • 1 cup mini marshmallows
  • 2-3 chocolate bars

Serving, optional

  • Mini marshmallows
  • Chocolate bars


  • Preheat the oven to 350 degrees F.
  • Line a 9x9 inch square baking dish with parchment paper. Set aside.
  • In a large mixing bowl, cream the butter until smooth.
  • Add the brown sugar and beat until fluffy.
  • Next, add the egg and vanilla extract and mix until well combined.
  • Add the flour, baking powder, and salt and mix until well combined.
  • Fold in the graham cracker crumbs, about ¾ cup chocolate chips, and about ¾ cup of marshmallows.
  • Spread evenly into the prepared baking dish.
  • Break the chocolate bars into pieces and add them to the top of the batter, then sprinkle with remaining chocolate chips and marshmallows.
  • Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean.
  • Cool completely on a wire rack.
  • Remove from the pan and cut into squares.
  • Store in an airtight container.


Serving, optional
Add additional marshmallows to each piece and heat in the microwave for 30 seconds, or in the oven at 400 degrees F for about 5 minutes, watching closely.
To brown the marshmallows, use a kitchen torch, if desired.
Add additional pieces of chocolate bar.