Double Chocolate Crumble Bars
["1/2 c. butter or oleo", "3/4 c. sugar", "2 eggs", "1 tsp. vanilla", "3/4 c. flour", "1/2 c. chopped nuts", "2 Tbsp. cocoa", "1/4 tsp. baking powder", "1/4 tsp. salt", "2 c. tiny marshmallows", "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, nuts, cocoa, baking powder and salt.", "Mix well and spread", "in greased 9 x 13-inch pan.", "Bake at 350\u00b0 for 15 to", "20 minutes.", "Remove", "from oven and spread marshmallows evenly on top. Bake about 3 minutes more.", "Cool."]
["butter", "sugar", "eggs", "vanilla", "flour", "nuts", "cocoa", "baking powder", "salt", "marshmallows", "chocolate chips", "peanut butter", "Rice Krispies"]