1 sm. chopped red onion
1 head broccoli, flowerets only
1 head cauliflower, flowerets only
1/2 c. sugar
1/4 c. salad oil
1 c. salad dressing (Miracle Whip)
Dash of dry mustard
Dash of celery seed

Mix last 5 ingredients in blender and pour over first 3 ingredients. Chill 24 hours.