INGREDIENTS 30g unsalted butter 2 medium onions, chopped 1 small celery stalk, finely chopped 2 cups beef consomme 2 cups ketchup or tomato sauce 1 cup white vinegar 3/4 cup packed light brown sugar 1/4 cup fresh lemon juice 2 Tbs Worcestershire sauce 2 Tbs steak sauce 1 1/2 tsp chilli powder ( or less if you don't like it too hot ) 1 tsp paprika 1 tsp salt 1/2 tsp dry mustard 1/2 tsp freshly ground black pepper 1 tsp hot chilli sauce METHOD: Melt the butter in a large heavy saucepan over medium heat. Add the onions and celery, and sauté for 5 minutes or until the vegetables are tender. Mix in the beef consomme and all remaining ingredients, and bring to boil over high heat. Then reduce the heat to medium-low and simmer, uncovered, stirring occasionally, for 1 hour, or until the sauce reduces and thickens slightly. Set apart.