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Quick Answer
Check the instructions for the exact model before using water, foil, paper or other accessories. Do not use an improvised liner or pour water into hot fat. Let the appliance cool before removing grease and cleaning its removable parts as the manual directs.
If you already know the food, jump from this overview to the exact timing page or focused how-to guide.
When fat drips from food through the basket grate into the drip tray below, it pools in a thin layer exposed to the circulating hot air at 350–400°F (175–205°C). Most cooking fats — including rendered chicken fat, pork fat, and beef fat — have smoke points between 300°F and 375°F (150–190°C). When the drip tray temperature exceeds the fat's smoke point, the fat oxidizes and produces blue-white smoke. In a basket-style air fryer, the drip tray sits close to the heating element and receives full-force circulating hot air, so accumulated fat reaches its smoke point very quickly. Fatty foods like bacon, sausages, skin-on chicken thighs, burgers, and pork belly are the most common triggers.
Add 1–2 tablespoons of cold water to the drip tray (the bottom section of the outer drawer, below the basket) before you start cooking any fatty food. The water absorbs the dripping fat and stays at boiling temperature (212°F / 100°C) as long as any water remains — well below any fat's smoke point. Replace the water if cooking multiple batches. Do not add more than 2–3 tablespoons; excess water can splash onto the heating element or overflow the tray. Some cooks place a small piece of bread in the tray instead — the bread absorbs fat and keeps it from burning. Both methods work.
Grease residue left in the drip tray from a previous cook starts smoking from the very first minute of the next cook — before you even add food. After every cook involving fatty foods, wash the drip tray in hot soapy water. The heating element also accumulates splattered grease and is the second most common smoke source. Turn the air fryer upside down after it is completely cool. Use a soft damp cloth or soft-bristle brush to gently wipe the heating coil. Never spray any liquid directly at the element — use a barely damp cloth. Cleaning the element once a week if you cook frequently prevents this entirely.
For particularly fatty foods, cook at 360–375°F (182–190°C) rather than 400°F. The slightly lower temperature gives fat more time to drain away from the food before reaching its smoke point in the tray. Trim visible excess fat from chicken thighs, pork belly, and rib-eye steaks before cooking — less fat dripping means less to burn. Pat-dry proteins before cooking to remove surface moisture that promotes spattering. For high-fat cuts where you need higher heat for crispiness, use the water-in-tray method and accept that a small amount of smoke is normal.
Last updated September 5, 2026 · Reviewed by Maks