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

Line 8 inch square pan with foil in small microwave safe bowl. Place peanut butter chips and 2/3 cup sweetened, condensed milk. Microwave at high (100 degrees) for 1-1 1/2 minutes, stirring after 1 minute until chips are melted and mixture is smooth when stirred. Stir in 1/2 teaspoon vanilla. Spread evenly into prepared pan.

In microwave safe bowl place remaining sweetened condensed milk and chocolate chips, repeat above procedure. Stir in remaining 1/2 teaspoon vanilla. Spread evenly on peanut butter layer. Cover and chill until firm. Store in refrigerator.