Beef Shortribs Supreme
["3 lb. beef shortribs", "1/2 c. water", "1 (6 oz.) can tomato paste", "3/4 c. brown sugar", "2 Tbsp. prepared mustard", "2 tsp. salt", "1/2 c. chopped onion", "1 c. ketchup", "1 c. vinegar"]
["Brown shortribs on all sides in a large skillet without shortening. Cover and cook over low heat 1 hour. Drain off drippings. Combine remaining ingredients and pour over ribs. Cover and cook over low heat 1 1/2 hours. Serve over mashed potatoes."]
["beef shortribs", "water", "tomato paste", "brown sugar", "mustard", "salt", "onion", "ketchup", "vinegar"]