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brownie cookie sandwiched with melted marshmallow and graham cracker on parchment paper

Brownie Cookie S’mores

Brownie Cookie S’mores - make s'mores out of a graham cracker, a brownie cookie, and a toasted marshmallow!
Author Dorothy Kern


  • 1 box dark chocolate fudge brownie mix 9x13 pan size
  • 1/3 cup vegetable oil
  • 1 egg
  • 1 tablespoon water
  • 18 graham cracker halves 9 sheets
  • 18 large marshmallows


  • Preheat oven to 350 degrees. Line two cookie sheets with parchment paper.
  • Mix brownie mix, oil, egg, and water in a large bowl with an electric or hand mixer. Beat until it comes together in a thick dough.
  • Scoop 2 tablespoon scoops of cookie dough onto the cookie sheet. Bake for 8-9 minutes, or until they lose the glossy sheen around the edges but are still a little shiny in the middle. Cool completely before assembling s’mores.
  • Turn oven to broil. Place graham cracker halves on cookie sheet and top with a large marshmallow. Broil for just a few minutes, until the marshmallow is browned to your liking. Remove from oven and immediately press a brownie cookie on top of each s’more. Cool slightly before eating.