Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/2  tablespoons   butter
   1                    egg
     1/2  cup           brown sugar -- packed
     1/4  cup           granulated sugar
     1/4  cup           prepared mustard
     1/4  teaspoon      salt
     1/8  teaspoon      pepper
     3/4  cup           cider vinegar

Preparation:

Melt butter in small saucepan. Remove from heat, set aside to cool. In small bowl, with rotary beater, beat egg, sugars, mustard, salt, and pepper untill well combined. Beat in vinegar, stir mixture into cooled butter, mix well. Over medium heat, bring to boiling, stirring. Reduce heat; simmer 3 minutes. Serve hot, along with "old Fashion Corned-Beef and Cabbage".