Cocoa Fudge

Directions

1. 1
   Bring sugar, milk and cocoa to boil, stirring constantly.
2. 2
   Add butter and vinegar.
3. 3
   Boil, stirring occasionally to avoid burning, until soft ball is formed in cold water.
4. 4
   Remove from heat and allow to cool to lukewarm without stirring, then beat until it loses its shiny appearance.
5. 5
   Add nuts and vanilla when it begins to hold its shape.
6. 6
   Pour into buttered pan.