Barbecue Hamburger Mix
["1 c. chopped onion", "3 c. catsup", "1 c. water", "2 Tbsp. brown sugar", "1 Tbsp. salt", "1 tsp. flavor enhancer (m.s.g.)", "4 lb. ground beef", "1/2 c. chopped celery", "1/4 c. lemon juice", "1 Tbsp. Worcestershire sauce", "2 Tbsp. vinegar", "1/2 tsp. dry mustard"]
["Saute onion and ground beef until beef is browned.", "Drain grease.", "Add rest of ingredients; simmer, covered, for 30 minutes."]
["onion", "catsup", "water", "brown sugar", "salt", "flavor", "ground beef", "celery", "lemon juice", "Worcestershire sauce", "vinegar", "dry mustard"]