Never Fail Fudge - cooking recipe

Ingredients

2 c. sugar
2/3 c. evaporated Pet or Carnation milk
12 regular size marshmallows
1/2 c. butter or margarine
1/4 tsp. salt
1 (6 oz.) pkg. semi-sweet chocolate
1 c. chopped nuts (optional)
1 tsp. vanilla

Preparation

Mix sugar, milk, marshmallows, butter and salt in a heavy 2-quart saucepan.
Cook, stirring constantly over medium heat to a boil (mixture will be bubbling all over top).
When mixture first begins to boil set timer and continue to cook, stirring constantly for 5 more minutes.
Take off heat.
Stir in semi-sweet chocolate until completely melted.
Stir in nuts and vanilla.
Spread in a slightly buttered tray.
Cut into 30 pieces.