Marshmallow Krispie Bars
["1 pkg. Duncan Hines fudge brownie mix (family size)", "1 (10 to 12 oz.) pkg. miniature marshmallows", "1 1/2 c. semi-sweet chocolate chips", "1 c. creamy peanut butter", "1 Tbsp. butter or margarine", "1 1/2 c. Rice Krispies cereal"]
["Preheat oven to 350\u00b0.", "Grease bottom of 13 x 9-inch pan. Prepare brownies following package directions for original recipe. Remove from oven.", "Sprinkle marshmallows over hot brownies.", "Return to oven; bake 3 minutes longer.", "Combine chocolate chips, peanut butter and butter in medium saucepan.", "Cook on low heat, stirring constantly, until chips are melted.", "Add Rice Krispies and mix well.", "Spread over marshmallow layer.", "Refrigerate until chilled. Cut into bars.", "Makes 24."]
["Duncan Hines fudge brownie mix", "marshmallows", "semi-sweet chocolate chips", "peanut butter", "butter", "Rice Krispies"]