In heavy saucepan, over low heat, MELT chips with sweetened condensed milk, vanilla and salt.
REMOVE from heat; STIR in nuts.
SPREAD fudge into an aluminum foil-lined 8 or 9 inch square pan; CHILL 2 hours or until firm.
TURN onto cutting board, PEEL off foil, CUT into squares.
Per Serving (excluding unknown items): 1066 Calories; 38g Fat (30.7% calories from fat); 24g Protein; 168g Carbohydrate; 3g Dietary Fiber; 91mg Cholesterol; 344mg Sodium. Exchanges: 0 Grain(Starch); 0 Lean Meat; 7 1/2 Fat; 11 Other Carbohydrates.