1 box brownie mix prepared as directed on the box
12 graham crackers
2 cups mini marshmallows
3 Hershey’s bars
Preheat the oven to 350 degrees. Spray a 9″x13″ baking dish with cooking spray. Line bottom of baking dish with graham crackers, breaking them into pieces to fit as needed.
Pour half of brownie batter over graham crackers. Top with 1 cup of mini marshmallows. Break Hershey’s bars into pieces and place 1/2 of the pieces on top of marshmallows.
Top with remaining graham crackers as evenly as possible. Pour on remaining brownie batter. Top with the rest of the marshmallows and Hershey’s bar pieces. Bake according to package directions or until the brownies are baked through.