Oil (1 teaspoon) Calories

Yes, cooking oil can become rancid when exposed to air, heat, and light. A stale, bitter, or paint-like smell is a warning sign; discard it rather than trying to mask the flavor or cook with it.

For high-heat cooking, choose a refined oil suited to the cooking method, since refining generally raises an oil’s smoke point. The exact choice depends on its type; if oil smokes in the pan, lower the heat.

Usually, no. Keep most cooking oils tightly sealed in a cool, dark cupboard instead. Some specialty oils may benefit from refrigeration, but cold can make certain oils cloudy or thick; that change often reverses at room temperature.

Oil smokes when it gets hotter than its smoke point. Take the pan off the heat and let it cool before continuing; prolonged overheating can make the oil taste unpleasant and produce irritating smoke.

Yes, olive oil works for sautéing, roasting, and many other everyday cooking methods. Its flavor and heat tolerance vary by type, so use a gentler temperature if you want to preserve a delicate extra-virgin olive oil’s aroma.

Preheat a suitable pan, then add a thin coating of oil before the food goes in. Drying ingredients such as vegetables or tofu can also reduce sticking; a teaspoon may be enough for a small portion.

No, oil in the cooking water mostly floats on top and does little to prevent pasta from sticking. Stir the pasta while it cooks, then drain it; toss it with sauce promptly to keep the noodles from clumping.

Yes, cooking oil can be frozen, but it rarely needs to be. Some oils turn cloudy or partly solid when chilled; this is usually a temperature effect, and they typically return to their usual appearance as they warm.

Yes, using less oil can reduce the energy in a meal because oil is concentrated fat. Measure it with a teaspoon instead of pouring freely, and use a nonstick pan or a splash of water when suitable.