Sweet-Sour Dressing
["1 small onion", "1 tsp. prepared mustard", "1 tsp. salt", "1 tsp. celery seed", "1 c. oil", "2/3 c. sugar", "2/3 c. vinegar"]
["Place all in blender or processor. Blend well. Serve on fresh salad mix."]
["onion", "mustard", "salt", "celery", "oil", "sugar", "vinegar"]