Vidalia® Onion Salad Dressing 

1/2 large chopped onion chopped
3 tablespoons apple cider vinegar
2 teaspoons sugar
2 teaspoons creamy Dijon mustard
1/2 teaspoon pepper
1/4 teaspoon salt
1/2 cup olive oil

Add onion, vinegar, sugar, mustard, pepper and salt to blender or food processor. Blend until well pureed.
While running, add oil, a little at a time, through the hole in the top of the blender or food processor until dressing is creamy.