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

Mix cake mix, 1/3 cup butter and egg. Bake in ungreased 9"x13" pan for 12 to 18 minutes at 350 degrees. When baked and while hot, put marshmallows on top. Heat Karo, 1/4 cup butter, peanut butter chips and vanilla until smooth, stirring constantly. Pour on cake, then combine Rice Krispies and peanuts. Pour over top. This is just like a Payday candy bar!