Bess' Never Fail Fudge

Directions

1. 1
   Combine first 5 ingredients in 4 quart saucepan.
2. 2
   Stir over low heat until blended.
3. 3
   Bring to boil over moderate heat, being careful not to mistake escaping air bubbles for boiling.
4. 4
   Then boil slowly, stirring constantly for 5 minutes (to soft ball stage).
5. 5
   Remove from heat, stir in chocolate and vanilla (and nuts if used) until chocolate is melted.
6. 6
   Pour into 2 buttered 9 x 9-inch pans and cool.
7. 7
   Makes about 5 pounds.