Sloppy Joes
["1 lb. ground chuck", "1 onion, chopped", "2 Tbsp. sugar", "2 Tbsp. mustard", "1 Tbsp. white vinegar", "1 tsp. salt", "3/4 to 1 c. catsup"]
["Brown meat and onion.", "Drain off fat.", "Add other ingredients. Cook thirty minutes.", "Serve on buns."]
["ground chuck", "onion", "sugar", "mustard", "white vinegar", "salt", "catsup"]