1/4 c. butter
3/4 c. sugar
2 eggs
1 tsp. vanilla
3/4 c. flour
1/2 c. chopped pecans
2 tbsp. cocoa
1/4 tsp. baking powder
1/4 tsp. salt

TOPPING:

2 c. miniature marshmellows
1 pkg. (6 oz.) chocolate chips
1 c. peanut butter
1 1/2 c. Rice Krispies

Cream butter and sugar; beat in eggs and vanilla. Stir together flour, chopped nuts, cocoa, baking powder and salt; stir into egg mixture. Spread in bottom of greased 13 x 9 x 2 inch baking pan. Bake at 350 degrees for 15 to 20 minutes. Sprinkle marshmellows evenly on top, bake 3 minutes more. Cool.

In small saucepan combine chocolate chips and peanut butter; cook and stir over low heat until chocolate is melted. Stir in cereal, spread mixture on top of cooled bars. Chill, cut into bars. Refrigerate.