Barbecue Meat Loaf
["1 1/2 lb. ground beef", "1 onion, chopped", "1 1/2 tsp. salt", "1/4 tsp. pepper", "1/2 c. water", "3 Tbsp. vinegar", "1 egg, beaten", "1 c. bread crumbs", "2 cans tomato sauce", "2 Tbsp. mustard", "3 Tbsp. brown sugar", "2 tsp. Worcestershire sauce"]
["Mix beef, crumbs, onion, beaten egg and 1/2 can tomato sauce. Form into loaf and put in shallow pan.", "Combine remaining sauce with other ingredients.", "Pour over loaf.", "Bake for 1 hour and 15 minutes at 350\u00b0."]
["ground beef", "onion", "salt", "pepper", "water", "vinegar", "egg", "bread crumbs", "tomato sauce", "mustard", "brown sugar", "Worcestershire sauce"]