In a small saucepan, heat 1 tablespoon of vegetable oil over medium low heat. Add the onion and cook for 2 to 3 minutes. Add the garlic and cook for another 1 minute. Add the ketchup, molasses, brown sugar, cider vinegar, mustard, Worcestershire sauce, salt and pepper. Bring to a boil, reduce the heat, and simmer for 10 to 15 minutes. Remove from heat.