1 c. butter
1 1/2 c. brown sugar
1/2 c. white sugar
2 eggs
2 c. flour
1 tsp. vanilla
1 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt
5 c. Rice Krispies

Mix. Add to dough 2 cups chocolate chips or M & M's, peanuts, raisins, etc.