Lamb Marinade Prep time: 1 hour Cook time: 2 hours Total time: 3 hours Serves: 5 Ingredients 2 huge onions, chopped 1 huge clove of garlic, crushed 15 ml oil 250 ml beef broth 125 ml wine vinegar (white for mutton, red for steak) 250 ml tomato ketchup 15 ml Worcester sauce 5 ml salt