1 lg. head cabbage, cut up
1 lg. onion, cut up
1 1/4 c. sugar
3/4 c. salad oil
1 c. vinegar
1 tbsp. dry mustard
1 tsp. celery seed
1 tsp. salt

Chop onion and cabbage in blender. Combine remaining ingredients in blender and mix until well blended. Cook 5 minutes on medium heat. Pour over cabbage and onions and allow to set for at least 3 hours. Keeps up to 5-6 weeks in refrigerator.