1 c. peanut butter chips
1 can Eagle Brand condensed milk
1 tsp. vanilla
1 c. semi-sweet chocolate chips

Line 8 inch squash pan with foil. In microwave bowl, place peanut butter chips and 2/3 cup sweetened milk. Microwave at high 1 to 1 1/2 minutes. Stir until chips are melted. Stir in 1/2 teaspoon vanilla. Spread evenly into prepared pan. In microwave safe bowl, place remaining condensed milk and chocolate chips. Repeat above microwave procedures. Stir in remaining 1/2 teaspoon vanilla; spread evenly on peanut butter layer. Cover; chill until firm.