Chocolate and Butterscotch Fudge

Ingredients

 * 1 	cup  	HERSHEY'S Butterscotch Chips
 * 1 	can 	(14 oz) sweetened condensed milk (not evaporated milk)
 * 2 	cups 	(12-oz pkg) HERSHEY'S Semi-Sweet Chocolate Chips
 * 1 	tsp 	Vanilla extract
 * 1/2 	cup 	Chopped walnuts

Directions
Line 8-inch square pan with foil. Place butterscotch chips and 1/3 cup sweetened condensed milk in small microwave-safe bowl; set aside. Place chocolate chips, remaining sweetened condensed milk and vanilla in medium microwave-safe bowl.  Microwave at HIGH (100%) 1 minute; stir until chips are melted.  Stir in walnuts. Spread evenly into prepared pan. Microwave butterscotch chip mixture at HIGH 45 seconds; stir until chips are melted.  Spread evenly over chocolate layer. Refrigerate until firm.  Remove from pan; place on cutting board. Peel off foil; cut into squares.  Store tightly covered in refrigerator.
 * About 4 dozen pieces or 2 pounds.
 * NOTE: For best results, do not double this recipe.