1/2 c. sugar
1 tsp. dry mustard
1 tsp. salt
1/4 onion, grated
1/3 c. vinegar
1 c. salad oil
1 tbsp. celery seed

Mix sugar, mustard, salt. Add onion juice and small amount vinegar. Add oil gradually, then remaining vinegar and celery seed.

Shake well before using. This dressing keeps for quite some time in a covered container in the refrigerator.