Combine:

1 1/4 c. granulated sugar
1/8 tsp. paprika
2 tsp. salt
1 sm. onion, grated
2 tsp. dry mustard
2 c. salad oil
1/3 c. cider vinegar
2 tbsp. celery seed

Beat with rotary beater or blender. Gradually add: 2 cups salad oil beating constantly. Gradually add: 1/3 cup vinegar. Beat until a thick stable emulsion has formed. Add: 2 tablespoons celery seed (poppy seed may be substituted). Good on spinach salad.