Taco Salad Dressing refers to the dressing prepared for the famous Mexican Taco Salad which is made using ground meat, cheese, taco seasoning, mayonnaise and tortilla chips. There is a vast range of Taco Salad Dressings that can be used to prepare the taco salad. Salsa makes the easiest and most commonly used taco salad dressing; however, vinaigrette, sour cream and ranch sauce are also widely used in preparing taco salad dressing.