1 pkg. yellow cake mix
1 egg
1/2 c. melted butter
3 c. mini marshmallows
2/3 c. white syrup
1/3 c. butter
3 tsp. vanilla
1 lg. pkg. peanut butter chips
2 c. peanuts
2 c. Rice Krispies

Mix together cake mix, egg and 1/2 cup melted butter. Spread in ungreased 9"x13" pan. Bake at 350 degrees for 12 to 18 minutes, put marshmallows on top and return to oven until melted. Melt together syrup and 1/3 cup butter and 1 teaspoon vanilla and peanut butter chips. Stir in 2 teaspoons vanilla, peanuts and Rice Krispies. Spread on cake.