Line a cupcake pan with cupcake liners.

Prepare brownie mix according to directions. Set aside.

Crush graham crackers in food processor until very fine.

Scoop one cookie scoop full of brownie batter into the bottom of each cupcake liner.

Sprinkle 1 tablespoon of graham cracker crumbs on top of brownie batter in each cupcake liner.

Scoop a second cookie scoop full of brownie batter on top of the graham cracker crumbs in each cupcake liner.

Bake brownie cupcakes in a 350 degree oven for 23-25 minutes.

Top each brownie with a marshmallow and place under the broiler (on high) for 2 minutes, or until marshmallows have melted a bit and are golden brown on top.

Allow brownies to cool a little, then place a Hershey’s chocolate bar square into each marshmallow.