Cover a baking sheet with either a silicon baking liner or wax paper.

Melt the chocolate according to the directions on the package.

Carefully melt the marshmallows in a medium saucepan on medium heat stirring constantly.

Spread the melted chocolate on top of the baking sheet and spread evenly with a silicon spatula.

Immediately drizzle the melted marshmallow on top of the chocolate and carefully swirl and spread into the chocolate.

Sprinkle the graham cracker crumbs on top.

Place in refrigerator for about 10 minutes to set. 

Break into small pieces and serve.