My Mother'S "Best" Salad Dressing
["1 c. oil", "1 c. catsup", "1 large onion, grated", "1/2 c. red wine vinegar", "2 c. sugar", "1 tsp. parsley flakes", "1 tsp. garlic powder", "1 c. water", "1/2 tsp. pepper", "1 heaping Tbsp. cornstarch"]
["Mix everything together except cornstarch and water.", "Boil until clear and add to other ingredients.", "Stir until mixed."]
["oil", "catsup", "onion", "red wine vinegar", "sugar", "parsley flakes", "garlic powder", "water", "pepper", "cornstarch"]