If you do find yourself working with a restaurant willing to introduce your oil to their clientele, the presentation would be critical. I wash my windows with a mixture of 25 percent rubbing alcohol, 25 percent vinegar and 50 percent water. Look for the blue good food awards seal on the shelves of exceptional grocers like the good food merchants collaborative who take care to stock them. Extra-virgin is great for dressings, sauces, and cooking, while light olive oil is good for homemade mayo. Walmart carries ghee from a few different brands for under 10 dollars for a large jar (A great deal)! The flavor of these oils varies considerably and a particular oil may be more suited for a particular dish. Today, spain is the largest producer of olive oil by volume, followed by italy and greece. There are are plenty of polyphenol-rich foods that are lectin free.