1 1/2 tb Butter
1    Egg
1/2 c  Brown sugar; packed
1/4 c  Granulated sugar
1/4 c  Prepared mustard
1/4 ts Salt
1/8 ts Pepper
3/4 c  Cider vinegar

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”.