1 can tomato soup, Campbells
1 c. oil
3/4 c. vinegar
3/4 c. sugar
1/2 tsp. pepper
1/2 tsp. mustard
1 tsp. Worcestershire sauce
1 tsp. salt
1/2 tsp. garlic powder
Chopped onions, if desired

Mix all ingredients in blender for 3-4 minutes.