1 lb. white chocolate
1 (12 oz.) jar chunky peanut butter
1 lb. milk chocolate, melted

Combine white chocolate and peanut butter in top of double boiler, bring water to a boil. Reduce heat to low, cook until chocolate and peanut butter melt, stirring constantly. Spread mixture onto a wax paper lined 15x10x1 inch jelly roll pan. Pour milk chocolate (which has been melted) over peanut butter mixture. Swirl through with knife. Chill until firm. Cut into pieces and store in refrigerator.