Grandma Hugelen's Secret Steak Sauce
Saute onions in oil in a heavy skillet. Add sugar, white vinegar, Worcestershire sauce, and mustard. Add ketchup and simmer for about 20 minutes. Season, to taste, with hot sauce.
This recipe was provided by professional chefs and has been scaled down from a bulk recipe provided by a restaurant. The FN chefs have not tested this recipe, in the proportions indicated, and therefore, we cannot make any representation as to the results.