Ingredients
1 small onion, chopped2/3 cup vegetable oil1/2 cup sugar1/3 cup vinegar2 tablespoons ketchup1-1/2 teaspoon Worcestershire sauce1-1/2 teaspoons salt1 teaspoon prepared mustard1 teaspoon paprika1/2 teaspoon garlic powder1/2 teaspoon celery seed
Preparation
In a blender or food processor, process all ingredients until smooth and thickened. Cover and refrigerate for at least 1 hour. Shake well before serving.
