Ingredients

1-1/2 cups graham cracker crumbs (about 10 whole crackers)1/4 cup sugar1 teaspoon ground cinnamon1/2 cup butter, meltedBROWNIES:1 ounce unsweetened baking chocolate1/2 cup butter, softened1-1/4 cups sugar3 large eggs, room temperature1 teaspoon vanilla extract1-1/4 cups all-purpose flour1/3 cup dark baking cocoa1/2 teaspoon baking powder1/4 teaspoon salt1 cup miniature marshmallowsTOPPING:1 cup miniature marshmallows5 whole graham crackers, broken into bite-sized pieces

Preparation

Preheat oven to 350°. Combine cracker crumbs, sugar and cinnamon. Stir in melted butter. Press onto bottom of an ungreased 13x9-in. baking pan. Bake until lightly browned, 7-9 minutes. Cool on a wire rack.

For brownies, melt unsweetened chocolate on high in a microwave, stirring every 30 seconds. Cool slightly. Cream butter and sugar on medium speed until light and fluffy, 5-7 minutes. Add eggs, 1 at a time, beating well after each addition; beat in melted chocolate and vanilla. In another bowl, whisk together flour, cocoa, baking powder and salt; stir into creamed mixture. Fold in 1 cup miniature marshmallows.

Spread batter over graham cracker crust. Top with 1 cup marshmallows and broken graham crackers. Bake until center is set, 18-22 minutes (do not overbake).