Dark Chocolate Fudge Candy Recipe

3 (6 oz.) pkg. semi-sweet chocolate chips (3 c.)
1 (14 oz.) sweetened condensed milk
1 c. chopped walnuts
Dash salt
1 1/2 tsp. vanilla

In a heavy saucepan, over low heat, melt chips with sweetened condensed milk and salt. Remove from heat; stir in nuts and vanilla. Spread evenly into a foil or wax paper lined 8 or 9" square pan. Chill 2 hours or until firm. Turn fudge onto cutting board; peel off paper and cut into squares. Store loosely covered at room temperature..