16 ounces white chocolate, chopped
3/4 cup crunchy peanut butter
1 cup milk chocolate chips
Butter a 15 x 10-inch pan; set aside.
Place white chocolate in a medium-size microwave-safe bowl. Microwave on HIGH until melted, stirring frequently.
Stir in peanut butter. Spread into prepared pan.
Drizzle with melted milk chocolate chips, stirring through mixture to create a marbled effect.
Let stand until set.
Break into bite-size pieces.