Celery Seed Dressing

1/3 cup sugar
1/2 tsp. salt
1/2 tbsp. paprika
1/2 tsp. dry mustard ground
1/2 cup cider vinegar
1 cup oil
1 thin slice onion
1/2 tbsp. celery seed
Blend in blender for 30 seconds on puree until smooth. Makes 
1 1/2 cups.