Peanut Mallow Bars
["1 pkg. (18 1/4 oz.) yellow cake mix", "2 Tbsp. water", "1/3 c. butter, softened", "1 egg", "4 c. miniature marshmallows", "1 pkg. (10 oz.) peanut butter chips", "2/3 c. light corn syrup", "1/4 c. butter", "2 tsp. vanilla", "2 c. crisp rice cereal", "2 c. salted peanuts"]
["In a mixing bowl, beat the cake mix, water, butter and egg until blended (batter will be thick). Spread into a 13 x 9 x 2 inch pan. Bake at 350\u00b0 for 20-25 minutes. Sprinkle with marshmallows. Bake 2 minutes longer. Remove and set aside. In a large saucepan, combine the peanut butter chips, corn syrup and butter; cook and stir over medium low heat until melted and smooth. Remove from heat and stir in vanilla, cereal and peanuts. Spread over marshmallows. Cool completely. Cut with a sharp knife."]
["yellow cake", "water", "butter", "egg", "marshmallows", "peanut butter", "light corn syrup", "butter", "vanilla", "crisp rice cereal", "peanuts"]