Celery Seed Fruit Dressing
["1/2 c. sugar", "1 tsp. dry mustard", "1 tsp. salt", "1/2 tsp. grated onion", "5 Tbsp. white vinegar, divided", "1 c. salad oil", "1 Tbsp. celery seed"]
["Mix together sugar, dry mustard, salt, onion and 2 tablespoons of vinegar.", "Add the salad oil slowly, beating constantly.", "Add the remaining 3 tablespoons vinegar and the celery seed.", "Continue beating until dressing is thick.", "Makes about 1 1/2 cups dressing.", "May be used on lettuce salad."]
["sugar", "dry mustard", "salt", "onion", "white vinegar", "salad oil", "celery"]