Tiger Butter Fudge Candy

Combine white chocolate and peanut butter in top of a double boiler; bring water to a boil.

Reduce heat to low, and cook until chocolate and peanut butter melt, stirring constantly.

Spread mixture onto a waxed paper-lined 15- x 10- x 1-inch jellyroll pan.

Pour semisweet chocolate over peanut butter mixture, and swirl through with a knife.

Chill until firm.

Cut into 1 1/2- x 1-inch pieces.

Store in refrigerator. ?