1 box yellow cake mix
1/3 cup butter
3 cups miniature marshmallows
2/3 cup corn syrup
1 egg
2 tsp. vanilla
12-oz. bag peanut butter chips
2 cups salted peanuts
1 1/2 cup. rice krispies
Mix cake mix, butter and egg in bowl. Press in the bottom of a 9 x 13 inch pan and bake at 350 degrees for 12 to 18 minutes. Remove from oven. Sprinkle with marshmallows. Return to oven for 1 to 2 minutes, or until the marshmallows begin to puff. In saucepan, heat corn syrup, 1/4 cup butter, vanilla, and chips until melted. Remove from heat and stir in rice krispies and peanuts. Spoon over marshmallows, spread to cover. Chill and cut bars.