1/2 c. butter
3/4 c. sugar
2 eggs
1 tsp. vanilla
3/4 c. flour
1/2 c. chopped nuts
2 tbsp. cocoa
2 1/2 c. miniature marshmallows
6 oz. chocolate chips
1 c. peanut butter
1 1/2 c. Rice Krispies

Cream together softened butter and sugar. Beat in eggs and vanilla. Stir together flour, nuts, cocoa, baking powder, and 1/4 teaspoon salt. Stir into egg mixture. Spread in bottom of greased 9 x 13 inch pan. Bake at 350 degrees for 15 to 20 minutes. Sprinkle marshmallows evenly on top. Bake 3 minutes more. Cool. In saucepan, melt chocolate chips and peanut butter over low heat. Stir in cereal. Spread mixture on top of cooled bars.