30-Day Coleslaw
["1 c. vinegar", "2/3 c. cooking oil", "1 tsp. salt", "1 tsp. dry mustard", "1 tsp. celery seed or celery salt", "1 c. sugar", "1 onion, sliced"]
["Boil ingredients.", "Add to 1/2 head green and red cabbage, sliced.", "Pour hot over mixture and do not stir for 2 hours.", "Best 2nd day.", "Can be refrigerated 30 days."]
["vinegar", "cooking oil", "salt", "dry mustard", "celery", "sugar", "onion"]