1 c. Reese's peanut butter chips
1 (14 oz.) can Eagle Brand sweetened condensed milk (NOT evaporated milk)
1 tsp. vanilla extract
1 c. (6 oz.) Hershey's semi-sweet chocolate chips

In 2-cup glass measure with handle, combine peanut butter chips and 2/3 cup sweetened condensed milk; cook on 100% power (high) 1 to 1 1/2 minutes, stirring after 1 minute, until chips are melted and mixture is smooth. Stir in 1/2 teaspoon vanilla; spread evenly into foil-lined 8-inch square pan.

In 2-cup glass measure, combine remaining sweetened condensed milk and chocolate chips; repeat above microwave procedure. Stir in remaining 1/2 teaspoon vanilla; spread evenly on peanut butter layer. Chill 2 hours or until firm. Turn onto cutting board; peel off foil and cut into squares. Store covered in refrigerator. Makes about 1 1/2 pounds.