Use the two oils mentioned above for dressings and such, but for cooking you should only be using
coconut oil. It has many health benefits and is not altered by heat. All other vegetable oils become toxic when heated and contain deadly trans-fats due to the extracting/refining process. Although it is high in saturated fat, coconut oil consists of short chain fatty acids, which are not stored as fat but used as energy.
Also, EV olive oil contains strong antioxidants beneficial to health.