Spinach Salad
["1/3 c. red wine vinegar", "1/2 c. sugar", "1 c. salad oil (Wesson canola)", "1 tsp. salt", "1 tsp. dry mustard", "2 Tbsp. water", "1/4 c. chopped onion"]
["Put all ingredients in blender until smooth. Refrigerate until well chilled."]
["red wine vinegar", "sugar", "salad oil", "salt", "dry mustard", "water", "onion"]