Sweet Sour Salad Dressing("Very Good") - cooking recipe

Ingredients

2 tsp. dry mustard or 2 Tbsp. prepared mustard
2/3 c. vinegar
2 tsp. salt
1/2 Tbsp. celery seed
1 1/4 c. sugar
2 c. Mazola oil
2 small onions or 1 medium

Preparation

Grate onions in blender with sugar, mustard, salt and 1/2 the vinegar.
Beat and add oil gradually and remainder of vinegar. Beat until thick.
Add celery seed by hand, stirring with spoon. Store in refrigerator.
Blend on low speed, then high.