Old Fashioned Fudge - cooking recipe

Ingredients

2 c. sugar
8 Tbsp. cocoa
pinch of cream of tartar
pinch of salt
2/3 c. milk
3 Tbsp. butter or margarine, divided
1 tsp. vanilla
1/2 to 1 c. chopped walnuts or pecans (optional)

Preparation

In heavy saucepan, stir together first 4 ingredients until well blended.
Add milk and 2 tablespoons of the butter.
Cook over medium heat, stirring constantly, until mixture reaches 234\u00b0 on a candy thermometer or forms a soft ball when a spoonful is dropped into ice cold water (soft ball stage).