1 1/2 c. sugar
1/4 c. onion, grated
1 tsp. salt
1 c. ketchup
1 c. vinegar
2 1/2 c. corn oil
2 tsp. celery seed

Combine sugar, onion, salt and ketchup in blender. Add alternately vinegar and corn oil. Mix well and add celery seed. Keep stored in refrigerator.