what type of oil is in oil and vinegar
Vinaigrette may be made with a variety of oils and vinegars. Olive oil and neutral vegetable oils such as soybean oil, canola oil, corn oil, sunflower oil, safflower oil, peanut oil, or grape seed oil are all common. In northern France, it may be made with walnut oil and cider vinegar and used for Belgian endive salad.