To start, you should be looking for extra-virgin olive oil, as both Emily Lycopolus, olive oil sommelier and author of The Olive Oil and Vinegar Lover’s Cookbook, and Nancy Harmon Jenkins ...

Like extra-virgin olive oil, extra-virgin avocado oil is also naturally high in vitamin E and other antioxidants that slow the oxidation process, which makes the oils less likely to degrade under ...

the key is unheated or low and slow.” Changes to flavor aside, olive oil—even extra-virgin olive oil—is still a safe choice for cooking at or below 375°F. However, as certain olive oils are ...