1. Pick the right pot. To deep-fry properly, the food should cook in 2 to 3 inches of hot oil. Choose a pot at least 6 inches deep to allow for bubbling without bubbling over. Cast iron (enameled or not) holds heat well, making it a good choice. More »
2. Use reasonably priced cooking oil. Canola, cottonseed, safflower, or a generic vegetable oil blend will all do.
3. Don’t reuse deep-frying oil. Although you can strain the cooled oil for another round or two of deep-frying, this is a sure way of transferring unwanted flavors to your food, and the freshness of the oil obviously is reduced with storage.
4. Use a deep-frying thermometer. It’s the only way to get an accurate reading of the oil temperature. Be sure the end of the thermometer is totally submerged in the oil. Keep the heat on high to maintain the correct oil temperature.
5. To reduce deep-frying odors, cook outside. There is no reliable way to avoid the odors caused by deep-frying inside.
6. Let the oil return to its correct frying temperature between batches. In most cases, you may add the food to 375°F oil, but the temperature will drop to 335°F or so for the actual cooking. After removing the food, be sure to reheat the oil over high heat to its original starting temperature.
7. Use a wire skimmer to remove food from the oil. Also called a spider, these wide-mesh skimmers do a better job of draining away oil than a slotted skimmer.
8. Don’t drain fried foods on paper. Most cooks use paper towels or brown paper bags to absorb the fat from drained foods. But a crunchy coating can soften where it comes into contact with the paper: the steam builds up at the contact point and has nowhere to go but into the coating. For the crispiest result, drain the food on a wire cooling rack set over a rimmed baking sheet, so the food comes into contact only with thin wires.
9. Keep deep-fried food warm in the oven before serving. Deep-fried food is best served piping hot right out of the pot, which isn’t always possible when cooking multiple batches. Once you have put the food on the wire rack/baking sheet, slip the whole thing into a preheated 200°F oven for up to 10 minutes.
10. Add salt just before serving. Salt can soften homemade potato chips and other fried foods, so to keep them from losing their crunch, sprinkle on the salt at the last minute. « Less
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