Peanut oil
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Peanut oil is a little higher in saturated fat than many other healthy oils, but it makes up for this with a concentration of good-for-you fats. In addition, it's one of the most flavorful on this list and has a high smoke point.

Try it: Hensrud recommends peanut oil for stir-frying and similar high-temperature cooking. And if you are frying tofu, potatoes, or a turkey, peanut is probably best.