Onion Salad Dressing 5

Ingredients:

2 cups of salad oil.
2 cups of white sugar.
2 teaspoons of salt.
2 teaspoons of dry mustard.
1 small onion.
1 cup of white vinegar.
2 teaspoons of celery seed.

Directions:

Combine first five ingredients in blender on high speed.
Add vinegar slowly. Blend until thick.
Add celery seed last.