Easy No-Fail Chocolate Fudge (No Thermometer)

I have made this many times it's an wonderful easy fudge to make and no a candy thermometer needed, this is rich so a small piece goes a long way, this freezes well:)

• Ready In: 25 mins
• Serves: 49

Ingredients

• 1 1⁄2 cups sugar (use nothing less than this amount)
• 2⁄3 cup evaporated milk
• 2  tablespoons butter or 2  tablespoons margarine
• 1⁄8 teaspoon salt
• 2  cups mini marshmallows
• 1 1⁄2 cups  semi-sweet chocolate chips (9 oz)
• 3⁄4 cup  chopped walnuts (or use pecans or macadamia nuts)
• 1 1⁄2 teaspoons vanilla

Directions

1. Line a 8-inch square pan with foil.
2. In a heavy-duty sauce pan, combine sugar, evaporated milk, butter and salt; bring to a full rolling boil over medium heat, stirring constantly.
3. Boil stirring constantly for 4-5 minutes (this must be timed nothing less than 4 minutes!).
4. Remove from heat; stir in the marshmallows, chocolate chips and vanilla, stirring vigorously until marshmallows are completely dissolves.
5. Stir in nuts.
6. Pour mixture into prepared foil-lined pan.
7. Refrigerate for 2 hours or until firm.
8. Lift from pan (with foil) remove foil; cut in squares.