1 (12 oz.) pkg. (2 c.) Nestle Toll House semi-sweet chocolate morsels
1 (14 oz.) can sweetened condensed milk
1 1/4 c. walnuts, chopped (optional)
1 tsp. vanilla extract

In large glass measuring cup combine semi-sweet chocolate morsels and sweetened condensed milk. Microwave on High 3 minutes. Stir until morsels melt and mixture is smooth. Stir in walnuts and vanilla. Spread evenly into foil lined pan (8 inch square). Chill until firm, cut into squares. Makes about 1 1/4 pounds fudge.