Recipe(tried): Roast Leg of Pork in the Style of Colombia

Roast Leg of Pork (Colombia)

10 pound leg of pork
3 medium onions, chopped
2 garlic cloves, crushed
1 cup wine vinegar
1/2 bottle Worchestershire sauce (2 1/2 oz)
1 cup ketchup
2 whole allspice (I use 1 tsp ground allspice)
salt and pepper to taste
Sweet red wine

Pierce leg of pork with fork or sharp pointed knife. Combine remaining ingredients to blend well. Pour over pork and marinate for 3 days in fridge, turning once or twice each day. Cook in preheated slow oven (300 degs.F.), allowing 30 minutes per pound. Baste with sweet red wine while cooking. Makes 6 servings.