6 c. popped corn
3 c. Rice Krispies
2 c. M & M's
1 c. peanut butter
1 c. Karo syrup (light)
1 c. sugar

First 3 ingredients mix in buttered pan, 9"x13". Next 3 ingredients bring to boil and stir for 2 minutes. Pour over dry ingredients. Mix and press in pan.