1 yellow cake mix
1/3 c. butter
2 tsp. vanilla
12 oz. peanut butter chips
2 c. salted peanuts
1 egg
2/3 c. corn syrup
1/4 c. butter
2 c. Rice Krispies
3 c. miniature marshmallows

Mix cake mix, egg and 1/3 cup butter together. Spread in 9x13-inch pan and bake at 350 degrees for 12-18 minutes. While still hot, spread marshmallow son top. Let soften and spread evenly.

Mix together in saucepan corn syrup, 1/4 cup butter, vanilla and peanut butter chips. Heat until smooth, stirring constantly. Add Rice Krispies and peanuts. Spread evenly over marshmallow and crumb mixture.