1 large head shredded cabbage
1 chopped sweet onion
2 tsp. salt
1 to 2 c. sugar or to taste
1 tsp. celery seed
1 tsp. dry mustard
1 c. white vinegar
3/4 c. vegetable oil

Cook last 6 ingredients until dissolved. Pour while hot over cabbage. Cool. Will keep well in tightly closed container in refrigerator for several days.