1 sm. onion
1 1/4 - 1 1/2 c. sugar
2 tbsp. poppy seed
2 tsp. prepared mustard or 1 tsp. dry
3/4 c. vinegar
2 c. oil
2 tsp. salt

Put ingredients in blender. Beat 1 minute slowly; then 4 minutes fast. Makes 1 quart. Refrigerate.