1 (12 oz.) pkg. Nestle's chocolate chips
1 (14 oz.) can sweetened condensed milk
1 1/4 c. Diamond walnuts, chopped
1 tsp. vanilla extract

In large glass measuring cup, combine chocolate chips and condensed milk. Microwave on high 3 minutes. Stir until morsels melt and mixture is smooth. Stir in walnuts and vanilla. Spread into foil-lined 8-inch square pan. Chill until firm. Makes 1 1/4 pounds fudge.