Twenty Four Hour Cole Slaw
["1 large head cabbage", "2 large onions, sliced", "3/4 c. sugar", "1 c. vinegar", "1 tsp. celery seed", "1 1/2 Tbsp. salt", "1 tsp. mustard", "1/2 c. salad oil"]
["Cover cabbage and onions with sugar.", "Bring vinegar, celery seed, salt and mustard to a boil, then add salad oil.", "Bring to a boil again and pour over cabbage, cover and let set 24 hours."]
["head cabbage", "onions", "sugar", "vinegar", "celery", "salt", "mustard", "salad oil"]