1/2 c. butter
3/4 c. sugar

Add: 3/4 c. flour 1/4 tsp. baking powder 1 tsp. vanilla 2 tbsp. cocoa 1/4 tsp. salt

Spread in 9 x 13 inch greased pan. Bake at 350 degrees 15 minutes. Cover with 2 cups and miniature marshmallows. Return to oven for 3 or 4 minutes. Cool. Melt 1 cup chocolate chips and 1/2 cup peanut butter. Stir in 2 cups Rice Krispies. Spread on top of marshmallows.