Recipe Book/Europe/UK/Meat /Basics Pork Slices with Barbecue Sauce   Serves: 4 Cooking: 15 minutes Preparation: 15- 20 minutes calorie count: 405kcal per serving   Ingredients: 450g/1lb lean British pork belly slices 1 onion, peeled and chopped 15ml/1 tbsp corn or sunflower oil 15ml/1tbsp tomato purée 10ml/2 tsp white wine vinegar 300ml/½ pint unsweetened orange juice 15ml/1 tbsp brown sugar 15ml/1 tbsp Worcestershire sauce Method: Cook the belly slices under a pre-heated grill for about 7 minutes each side, dependong on thickness. Meanwhile, sautée the onion in the oil until softened. Stir in the remaining ingredients and bring to the boil. Simmer for 10 minutes. Serving suggestion: Serve with boiled brown rice.