Killer Brownies
["1 box Betty Crocker Supreme Brownie Mix", "1 bag miniature marshmallows (10 1/2 oz.)", "1 bag chocolate chips (6 oz.)", "1 c. peanut butter", "2 1/2 c. Rice Krispies"]
["Bake brownies as directed on box in a 9x13-inch pan.", "When done remove from oven.", "Sprinkle marshmallows on top.", "Return to oven for 3 minutes.", "Remove from oven.", "Mix 1 bag (6 oz.) chocolate chips and peanut butter in pan on top of stove until melted. Remove from heat, add rice krispies.", "Mix well - Spread on top of brownies.", "Refrigerate for 2 hours.", "Cut into squares."]
["marshmallows", "chocolate chips", "peanut butter", "Rice Krispies"]