Easy Chocolate Fudge

7 oz sweetened condensed milk
7 oz marshmallow cream
24 oz chocolate chip (preferably milk chocolate)
1 cup walnuts
1 1/2 tsp vanilla extract
dash salt

In a heavy saucepan, over low heat, melt chips with sweetened condensed milk and salt. Mix in the marshmallow cream. Remove from heat; stir in walnuts and vanilla. Spread evenly into wax paper lined 8 or 9 inch pan. Chill two hours or until firm. Turn fudge onto cutting board; peel off paper and cut into squares. Store loosely covered at room temp.