Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  2          teaspoons  unsalted butter
  1           teaspoon  sugar
     1/2           cup  onion
  3          teaspoons  flour
  1                cup  beef stock
  1           teaspoon  cider vinegar

Preparation:

combine butter and sugar in a saucepan, over a low flame heat and stir for 4-5 minutes, until golden add onions, heat and stir for 2-3 minutes whisk in flour, heat and stir for 2-3 minutes vigorously whisk in broth, heat and stir until thickened add vinegar-mix well bring to a boil, reduce heat, cover, and simmer for 8-10 minutes remove from heat serve hot or warm

Nutritional Information:

41 Calories (kcal); 2g Total Fat; (46% calories from fat); 1g Protein; 5g Carbohydrate; 5mg Cholesterol; 532mg Sodium