2 tablespoons butter
1/2 cup onion; chopped
3/4 cup ketchup
1/2 cup beef stock
2 tablespons worcestershire sauce
2 tablespoons lemon juice
2 tablespoons red wine vinegar
1/4 cup brown sugar
1 1/2 teaspoons dry mustard
1 1/2 teaspoons black peppercorns; cracked or black pepper
In saucepan, cook onion in butter until softened. Add remaining ingredients; bring to boil. Reduce heat and simmer 15-20 minutes.