1 1/2 c Sugar 2 ts Salt 2 ts Dry mustard 2/3 c Vinegar 2 c Salad oil 3 tb Onion juice (Make by gratin -onions and catching juice -in a bowl. 3 tb Poppy seeds Mix sugar, salt, mustard and vinegar. Add onion juice and stir thoroughly. Add oil, slowly, beating constantly until completely combined and thick. Add poppy seeds and beat for a few minutes. Refrigerate.