Beef Barbecue
["2 lb. ground beef, browned", "2 onions, chopped", "3 to 4 stalks celery, chopped", "1/2 green pepper, chopped", "1 tsp. prepared mustard", "3 Tbsp. sugar", "3 Tbsp. vinegar", "1 tsp. Worcestershire sauce", "1 small bottle ketchup", "1 bottle water (use empty ketchup bottle)"]
["Combine all ingredients.", "Cook on low heat for 1 1/2 hours. Serve on hamburger buns."]
["ground beef", "onions", "stalks celery", "green pepper", "mustard", "sugar", "vinegar", "Worcestershire sauce", "ketchup", "water"]