2 pkgs. graham crackers
2 sticks butter
1/2 c. sugar
6-12 oz. chocolate chips

Line 13x9x2 sheet pan or jelly roll pan with aluminum foil (optional). Put down a layer of graham crackers.

Melt butter and sugar. Bring to a boil over medium heat; stir constantly; boil for 2 minutes. It should just be getting thick. Pour over graham crackers. Bake at 350 degrees for 8-10 minutes. Remove from oven.