Delicious Red Wine Sauce

From a collection of my mother's recipe box. It can be used over meatballs or steak.

Cook onions in butter until soft.

Stir in flour and cook for one minute.

Add the rest of the ingredients and simmer for 5 minutes.

Never let sauce boil.

onions, butter, flour, red wine, beef broth, ketchup, soy sauce, worcestershire sauce, pepper, salt