The Complete Beginner's Guide to Air Fryer Cooking

Quick answer: To convert any oven recipe for an air fryer, reduce the temperature by 25°F and the cooking time by 20%. A 400°F oven recipe becomes 375°F for about 20% less time in the air fryer.

How an air fryer actually works

An air fryer is a small convection oven with a more aggressive fan. A heating element runs along the top, a fan above it pushes hot air down past the food, and a perforated basket lets that air hit the food from underneath at the same time. The result is the same browning reaction you get from deep frying, with a fraction of the oil.

The thing that makes it different from a regular oven is the speed of the air. In a standard oven, hot air drifts. In an air fryer, the fan blasts it across every surface of whatever is in the basket. Convection-on-steroids, basically. That's why everything cooks faster and why you have to drop the temperature when you adapt an oven recipe.

The basket design matters as much as the fan. Because air can move under the food, you usually don't need to flip anything. And because the cooking chamber is small, it preheats in a couple of minutes instead of the 10-15 a full-size oven needs.

The temperature rule

Drop the oven temperature by 25°F (around 15°C). That's the rule.

The reason: forced convection delivers more heat to the food's surface than the same dial setting in a regular oven, because more hot air actually reaches the food. So 400°F in a conventional oven and 375°F in an air fryer hit roughly the same effective surface temperature. A small adjustment, but skipping it is the fastest way to overshoot doneness on the outside while the middle is still cold.

Common temperature conversions

Use our Air Fryer Converter Tool to get instant conversions with food-specific adjustments.

The cooking time rule

Cut about 20% off the oven cook time. A 30-minute oven recipe finishes in around 24 minutes in the air fryer. Longer recipes scale a bit more aggressively — a 60-minute oven recipe usually lands closer to 45-48 minutes.

First time cooking something new, check it 3-5 minutes early. Air fryer wattage varies between brands, so does basket size, and so does how packed your particular load is. Once you've cooked something twice, you'll know your machine.

What air fryers are great at

Anything that wants dry high heat and a crisp surface:

• French fries and potato wedges: Crispy outside, fluffy inside with minimal oil
• Chicken wings and drumsticks: Skin gets incredibly crispy
• Breaded foods: Chicken tenders, fish sticks, onion rings
• Roasted vegetables: Brussels sprouts, broccoli, cauliflower
• Reheating pizza and leftovers: Far better than a microwave
• Frozen snacks: Mozzarella sticks, egg rolls, taquitos
• Bacon: No splatter, perfectly even, easy cleanup

What air fryers are bad at

• Wet batter: drips through the basket before it can set. Use dry breading instead.
• Big roasts: if it fills the basket, air can't circulate. Use the oven.
• Loose leafy greens: the fan launches them around. They burn in unpredictable spots.
• Naked melty cheese: drips through the basket and onto the element. Smoke alarm goes off.
• Raw rice or pasta: these need water. Air fryers don't have any.

The mistakes most people make

1. Overcrowding the basket

The single most common cause of "why isn't this getting crispy?" If food is stacked, air can't get under it, so half of what should be browning is actually steaming instead. Cook in two batches; it's still faster than the oven.

2. Skipping oil entirely

The name is misleading. Air fryers use way less oil than a deep fryer, but a light spray on most foods helps them brown and crisp. A one-second pass with an oil mister is usually plenty.

3. Not preheating

2-3 minutes makes a real difference, especially on protein. The basket gets hot enough that the food sears as soon as it lands instead of sitting there warming up.

4. Not shaking

For fries, nuggets, sprouts, anything where pieces sit against each other — shake the basket halfway through. Air fryers don't tumble food on their own.

5. Ignoring smoke

Smoke usually means fat dripped onto the heating element. For fatty foods like bacon or sausage, put a tablespoon of water in the bottom tray. The water turns to steam, the fat doesn't burn, smoke alarm stays quiet.

Care and cleaning

Let it cool, then wash the basket and tray in warm soapy water (most are dishwasher safe — check your manual). Wipe the inside of the chamber with a damp cloth, including the heating element above. Never put the base unit in the sink.

Stuck-on food: soak the basket for 10-15 minutes before scrubbing. Skip metal utensils and abrasive pads on non-stick surfaces. If the non-stick coating starts flaking, replace the basket. Cooking on damaged non-stick is a bad idea regardless of what the manufacturer claims.