Sautee onion on mid-heat till golden and soft, add on Lea & Perrins® Worcestershire sauce, balsamic vinegar, black peppercorn, Ketchup and Heinz® 57 sauce, bring to boil and simmer for 15 minutes. Keep warm.
Char grill the sirloin steak accordingly. Serve with readied onion confit and potato mash, give a small glass of cognac with fire on it