6 oz. tomato juice (3/4 c.)
1 1/2 tsp. ketchup
2 tbsp. corn oil
1 tbsp. cider vinegar
1/2 tsp. prepared mustard
1/2 tsp. Worcestershire sauce
1/8 tsp. celery salt

Place all ingredients in blender; blend on low setting for 30 seconds. 20 calories per tablespoon.