2 c. graham cracker crumbs
1 tsp. baking powder
1 (6 oz.) pkg. chocolate chips
1 (14 oz.) can condensed milk
3 tbsp. melted butter
1 tsp. vanilla

Mix all together. Spread in lightly buttered 8 or 9 inch square pan. Bake at 350 degrees for 25 minutes. Cool and cut into squares. Makes approximately 2 dozen. This recipe doubles nicely; spread in a 15 x 10 inch cookie sheet and cook approximately 15 minutes longer.