How to Cook with Stainless Steel: Preheating, Oil and Getting Food to Release

Why does food stick to stainless steel?

Sticking is adhesion: food forming real bonds with the metal. Proteins are the main culprits. When protein-rich foods such as eggs, chicken and fish touch bare metal, their proteins can bond directly with the pan's surface. Sugars in marinades and glazes do something similar as they concentrate and turn tacky.

Temperature decides whether that bond forms. On a pan that is too cool, moisture from the food wets the surface, the proteins settle into close contact with the metal and, as the pan slowly heats up, they set in place. On a properly preheated pan the bond never gets the chance to form.

Even polished stainless steel isn't perfectly smooth. Under a microscope the surface is a landscape of tiny peaks and valleys, which gives food plenty to grip. Two things stop it: heat and fat. A hot pan flashes the moisture at the food's surface into steam the instant they meet, making a thin vapour cushion that holds the food just off the metal. Fat flows into the valleys, levels the texture and forms a slick, heat-carrying layer between food and steel.

What heat should you cook on?

Medium is the setting to learn on. Preheat the empty pan over a medium heat rather than high. High heat pushes an empty pan past the temperature you need before the heat has spread across the base; medium gets there evenly and leaves room to turn up for a sear.

Once the pan is ready, set the heat for the food: medium to medium-high for searing meat, a notch lower for eggs. Judge the pan by the water test below rather than by the clock, because every hob behaves differently:

• Gas responds the moment you turn it down, so an overshoot is easy to correct.
• Electric and ceramic hobs warm up slowly and stay hot after you turn them down. Lift the pan off the heat to cool it faster.
• Induction heats a compatible pan directly, so an empty pan on a high setting overshoots quickly.

How do you know the pan is hot enough? The water test

The water test uses the Leidenfrost effect to read the pan's temperature without a thermometer. Heat the dry pan over a medium heat for a few minutes, then flick in a few drops of water and watch.

If the drops spread, hiss and boil away, the pan is still too cool: the water is simply boiling off on contact. Keep heating. Once the surface climbs well above water's boiling point of 100°C (212°F), the underside of each drop turns to steam instantly and the drop rides on its own vapour cushion. It pulls into a bead and glides around the pan like a marble. That gliding bead is your signal, and it is the same physics that will keep your food from bonding.

When the water beads, tip it out or let it evaporate, add your fat and let it shimmer. Then add the food. If the pan ever smokes hard, it has overshot: lift it off the heat for a moment before carrying on.

How much oil should you use, and when should it go in?

Add the fat after the preheat, never before. The order matters: heat first, then fat, then food. Fat poured into a cold pan just sits under the food while the surface slowly warms, which is exactly the window in which proteins bond.

A thin, even film that coats the base is enough for most cooking. Let it shimmer before the food goes in; shimmer comes before smoke. For a hard sear, use a refined oil with a high smoke point, such as refined rapeseed, groundnut or avocado oil. For eggs and gentle frying over a medium heat, butter or olive oil is plenty.

When will the food let go of the pan?

Seared food grips stainless steel at first, then lets go on its own once a crust has formed. Sear a chicken thigh or a steak and it holds on; as the crust browns and dries, it releases. If it resists when you try to turn it, it isn't ready. Give it a little longer and try again.

That grip-then-release cycle is the surface contact deep browning needs, and it leaves something useful behind: fond, the browned bits stuck to the pan. Pour a splash of wine, stock or even water into the hot pan, scrape with a wooden spoon, and the fond dissolves into the base of a pan sauce. That's deglazing, and it is why many cooks choose uncoated stainless steel on purpose: a non-stick coating is designed to prevent the very contact that builds fond.

Still sticking? A checklist before you blame the pan

On clean, undamaged stainless steel, sticking points to technique, not equipment. There's no coating to fail, so nothing on the pan wears out and causes sticking. Fix the inputs and the same pan behaves completely differently. Run through these first:

• The pan wasn't preheated. This is the first thing to check: use the water test.
• The food was cold and wet. Pat it dry with kitchen roll and let it lose its fridge chill before it goes in.
• It was moved too soon. Seared food releases itself when the crust forms; forcing an early turn tears the bond open.
• The pan was overcrowded. Too much food drops the surface temperature and traps steam, so nothing browns. Cook in batches.
• There was too little fat. The fat layer is what levels the steel's fine texture.
• The heat ran away. Scorched sugars and burnt fat turn tacky; medium to medium-high covers most searing.

How should you clean the pan after cooking?

Clean it while it's still warm. Let the pan cool until it is warm rather than scorching, add a splash of hot water and scrape any fond loose with a wooden spoon, then wash it in warm water with washing-up liquid, rinse and dry it with a tea towel. Because the surface is uncoated, you can scrub as hard as a stuck-on patch needs. Our stainless steel pan care guide covers burnt-on food and marks in full.

What kind of frying pan is easiest to learn on?

A bare, uncoated pan gives the clearest feedback: the water test reads true, fond builds properly and the release cue is unmistakable. SEIDO Sear Series frying pans are made for this style of cooking. Each has a tri-ply clad body — a 304 (18/8) stainless steel cooking surface, an aluminium core and a 430 stainless steel exterior — and is uncoated, made without intentionally added PFAS and without synthetic coatings. They work on gas, electric, ceramic and induction hobs, come in 20 cm (8 in), 24 cm (9.5 in) and 28 cm (11 in), and each is backed by a 5-Year Limited Warranty.

Start with the water test, and the pan will teach you the rest.