3 (6 oz.) pkgs. semi-sweet chocolate morsels
1 (14 oz.) sweetened condensed milk
Dash of salt
1 1/2 tsp. vanilla
1/2 c. chopped nuts (optional)

In heavy saucepan over low heat, melt morsels with sweetened condensed milk. Remove from heat; stir in remaining ingredients. Spread evenly into wax paper-lined 8-inch square pan. Chill 2 hours or until set. Turn fudge onto board and cut.