Old-fashioned high-cholesterol great-tasting southern sauce

MMMMM----- Recipe via Meal-Master (tm) v8.05
  
       Title: OLD-FASHIONED HIGH-CHOLESTEROL GREAT-TASTING SOUTHERN SAUCE
  Categories: Bbq sauces, Bar-b-q, Mine
       Yield: 2 Cups
  
       6 T  Bacon drippings
       6 T  Butter
       1    Medium onion, chopped
     1/2 c  White vinegar
            Juice of two lemons
       2 T  Worcestershire sauce
       2 t  Fresh ground black pepper
       1 t  Dry mustard
       1 t  Salt
  
   In a saucepan, melt the bacon drippings and butter over medium heat.
   Add the onions and sauté for about 5 minutes, or until quite soft.
   Mix in the remaining ingredients, reduce the heat to low, and simmer
   for 5 minutes. Use the sauce warm. It keeps, refrigerated, for at
   least a week.
  
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