1/2 c. butter
3/4 c. sugar
2 eggs
1 tsp. vanilla
3/4 c. flour
2 tbsp. cocoa
1/4 tsp. baking powder
1/4 tsp. salt
1/2 c. nuts, chopped (pecans or walnuts)
2 c. sm. marshmallows
1 (6 oz.) pkg. chocolate chips
1 c. peanut butter
1 1/2 c. Rice Krispies

Cream butter and sugar. Beat in eggs and vanilla. Mix flour, cocoa, baking powder, salt and nuts. Add to creamed mixture. Spread in bottom of greased 13 x 9 x 2 inch baking pan. Bake at 350 degrees for 15 to 20 minutes or until tested done. Sprinkle marshmallows over top and bake another 3 minutes. Cool. In small saucepan or top of double boiler, heat until melted, the chocolate chips and peanut butter. Add Rice Krispies. Mix well and cover top of cooled bars. Chill and cut into small 1 inch bars. Refrigerate.