Spaghetti Salad
["1 (12 oz.) pkg. thin spaghetti", "3 chopped tomatoes", "2 chopped green peppers", "1 chopped red onion", "1 (8 oz.) Italian dressing", "1/8 to 1/4 c. red wine vinegar", "1/2 tsp. garlic salt", "1/4 to 1/2 c. McCormick Salad Supreme"]
["Break spaghetti in 3-inch pieces and cook according to package instructions.", "Cool.", "Add remaining ingredients to cooled spaghetti.", "Mix.", "Chill in covered dish, about 24 hours."]
["thin spaghetti", "tomatoes", "green peppers", "red onion", "Italian dressing", "red wine vinegar", "garlic salt", "Salad Supreme"]