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Front view of smores peanut butter cookie bars on a wood board.
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S'mores Peanut Butter Cookie Bars

S'mores in a brownie or a brownie in s'mores but to top it off we added peanut butter for your taste buds delight.
Prep Time10 minutes
Cook Time30 minutes
Total Time40 minutes
Servings: 15

Ingredients

  • 1/2 cup butter
  • 1 1/2 cups brown sugar
  • 1/2 cup sugar
  • 1/2 cup creamy peanut butter
  • 2 large eggs
  • 2 tsp vanilla
  • 1 1/2 cups flour
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 3 graham crackers
  • 1/2 cup chopped Reeses's peanut butter cups
  • 1/2 cup chocolate chips
  • 2 cups marshmallows

Instructions

  • Preheat your oven to 350 degrees.
  • Cream together your butter, brown sugar and sugar until smooth.
  • Add in your peanut butter and mix till smooth.
  • Add in your eggs and vanilla and stir well.
  • In a separate bowl, crush your graham crackers into small pieces.
  • Add your flour, baking powder, and salt into the bowl with your graham crackers.
  • Dump your dry ingredients in with your wet ingredients and stir till just combined.
  • Fold your peanut butter cup pieces and your chocolate chips into your batter.
  • Scoop your batter from the bowl into a sprayed 9x13 baking pan and spread with a rubber spatula to even it out.
  • Bake your cookie bars for about 30 minutes, until edges turn golden and an inserted toothpick comes out clean.
  • Sprinkle marshmallows over the top of your cookie bars.
  • Place back into your oven and turn to broil. Cook for about 1 minute, but watch super closely till the marshmallows are just toasted.
  • Sprinkle with a couple extra pieces of peanut butter cups and chocolate chips for decoration (optional).
  • Allow to cool, and slice into pieces and serve. (Spray your knife with pam in between each slice to keep marshmallows off as much as possible).