The Best Oil For Deep-Frying - The Spruce Eats 17/08/2022 · Deep-fried foods are golden, crispy and delicious, but many home cooks (even experienced ones) often make the mistake of using the wrong cooking oil for deep-frying at home. The result of that can be off-tasting or even burnt food, a smoky kitchen, and (depending what type of oil they bought) an empty pocketbook.