Vidalia Dressing

From: AllRecipes

Yummy dressing made with fresh Vidalia onions. If you
   can't find Vidalia onions, another sweet onion will do. Prep
   Time: approx. 10 Minutes. Ready in: approx. 10 Minutes.
   Makes 3 cups (24 servings).

1 1/2 cups canola oil
1 cup distilled white vinegar
1 large sweet onion, peeled
and quartered

1 clove garlic
1/3 cup white sugar
1 teaspoon ground mustard
1 tablespoon salt

Directions
1 Place the oil, vinegar, onion, garlic, sugar, mustard
and salt into a blender or food processor and blend until smooth.