Russian Salad Dressing - cooking recipe

Ingredients

1 can tomato soup
1/3 cup white vinegar
1 clove garlic
1 tablespoon Worcestershire sauce
1 teaspoon salt
1/2 white pepper
1 tablespoon brown sugar
1 small onion, quartered
1 cup salad oil

Preparation

Put all ingredients EXCEPT oil in blender.
Cover and process for 30 seconds.
Remove feeder cap; slowly add oil while processing on med.
Process until smooth.
Chill.