3 pkgs (6 oz. each) semi-sweet chocolate chips
1 can sweetened condensed milk
1 1/2 tsp. vanilla
1/2 c. chopped nuts
pinch of salt

In top of double boiler; melt chocolate chips over hot water. Remove from heat; add sweetened condensed milk, vanilla, salt and nuts. Stir until smooth.

Pour into wax paper lined 8 x 8-inch square pan. Chill.

Store in airtight container.