graham cracker crumbs
1Combine graham cracker crumbs, sugar and melted butter.
2Press 1/2 the mixture onto the bottom of a 13 x 9 greased baking dish.
3Sprinkle with marshmallows and the chips of your choice.
4Top with remaining crumb mixture. Press firmly down with spatula (pancake turner type).
5Bake at 375 degrees for 10 minutes. Press with spatula again. Cool completely before cutting.