Barbecue Sauce
["2 bell peppers, chopped", "2 onions, chopped", "2 stalks celery, chopped (optional)", "1/2 stick margarine", "1/2 tsp. garlic powder", "1/4 c. Worcestershire sauce", "1 c. brown sugar", "2 tsp. red hot sauce (optional)", "1 bottle ketchup (approximately 28 oz. or more)", "2 tsp. mustard", "2 Tbsp. lemon juice"]
["Blend ingredients.", "Bring mixture to a boil and simmer for at least 1/2 hour."]
["bell peppers", "onions", "stalks celery", "margarine", "garlic powder", "Worcestershire sauce", "brown sugar", "red hot sauce", "ketchup", "mustard", "lemon juice"]