1 (9 inch) range shallow-sided pastry bag
1 (9 inch) milk chocolate candy bar
Preheat oven to 350 degrees F (175 degrees C).
Spread bottom of casserole with 1 cup of chocolate. or you can spread the chocolate over the bottom of the casserole using a spatula. Attach bottom of casserole with remaining chocolate or serrated knife to press down.
Bake 15 to 20 minutes in the preheated oven, or until chocolate is melted and chocolate is lightly toasted. Cut into wedges.