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Adam Liaw's Choice for Your Japanese Kitchen
Adam Liaw's Choice for Your Japanese Kitchen

Your Guide to Japanese Carbon Steel Cookware Care

Carbon Steel Cookware

The Golden Rule of Carbon Steel

Your carbon steel pan improves with use. Unlike a synthetic pan, it requires a simple routine: always keep it lightly oiled. Seasoning protects the pan from rust and builds a natural, non-stick surface.

How a Carbon Steel Pan is Different

A new carbon steel pan behaves differently than a synthetic non-stick pan:

  • A synthetic pan has a chemical coating that is non-stick on day one but degrades and wears out over time.
  • Your carbon steel pan is the opposite. It starts with a base seasoning and builds its exceptional non-stick properties over time through your cooking and oiling routine.

The reward for this care is a durable, renewable, and natural non-stick surface that is built to last.

The 3 Keys to Success

Hot Pan + Hot Oil + Food → Non-Stick Results

(Properly preheating your pan on medium heat is the secret to non-stick cooking.)


Wash + Dry + Oil → A Healthy Pan

(Your simple 3-step routine after every cook to build seasoning and prevent rust.)


Patience + Cooking → A Perfect Patina

(Your pan gets better with every use, developing a natural non-stick surface.)

Part 2: Step-by-Step Guides

First-Time Seasoning

Season the pan once before first use. This 5-minute process prepares the surface.

  1. Wash: Wash the new pan with warm water and dish soap.
  2. Dry: Dry it completely. To be certain, place it on low heat for one minute.
  3. Oil & Heat: Add enough cooking oil to coat 1/3 of the pan. Heat on low for 5 minutes.
  4. Cool & Coat: Turn off the heat and let the oil cool completely. Once cool, pour the oil into a storage container for reuse. Use a paper towel to wipe the residual oil over the entire inner surface.

A Note on the Video

The video is a great visual guide. Please note these two clarifications:

  • Using Soap: A little mild soap is fine for cleaning. The most important step is to re-oil the pan immediately after drying.
  • Reusing Oil: The seasoning oil can be reused. Let it cool completely, then filter and store it in a container like the Yoshikawa Oil Filter Pot.

After seasoning, your pan should have a light sheen, as shown below:

Before and after oil seasoning of a carbon steel wok

Daily Use & Care

Follow these three simple steps after each use:

  1. Cook: Use your pan on medium heat. If your oil smokes heavily, the pan is too hot. Avoid the 'boost' or max power setting.
  2. Wash: After cooking, wash with hot water and a soft sponge. Do not use a dishwasher. For stuck food, boil water in the pan to loosen it.
  3. Dry & Oil: This is the most important step. Dry the pan immediately. Add a teaspoon of cooking oil and wipe it over the interior with a paper towel to prevent rust.

Part 3: Deeper Knowledge & Troubleshooting

Understanding Your Pan's Evolving Surface

Don't worry about marks appearing on your carbon steel pan; they are supposed to be there. The patterns left by heat, oil, and food are not defects. Rather, they are the start of the pan's natural non-stick surface, known as a patina. A pan that looks well-used is performing at its best.

With every meal, the dark surface of your pan will evolve, creating a unique pattern as layers of seasoning build up. This is not a flaw—it's the visual evidence of a healthy, personalised patina. These layers are what make the pan non-stick, so it is important that you do not try to scrub them away.

Troubleshooting Common Issues

  • "My paper towel turns black."
    This is normal. The residue is a mix of carbon particles and polymerised oil from your seasoning, not dirt.
  • "I have a dark, burnt oil mark that won't scrub off."
    This is a positive sign of polymerised oil and is the beginning of a strong seasoning layer. It is not harmful. Do not try to scrub it off; just continue to cook on it and follow the "Wash, Dry & Oil" routine.
  • "My acidic food turned slightly grey."
    This can happen on new pans as the acid reacts with the iron. It is harmless and will stop once a thick seasoning is established. Read more here.
  • "I see rust."
    Don't worry. It means the oil layer wore off. Simply scrub the rust away, then perform the "First-Time Seasoning" steps again.
  • "My food is still sticking."
    This means you need to focus on the "Hot Pan + Hot Oil" rule before adding food. Also, ensure you continue the "Wash, Dry & Oil" routine. The surface will improve with use.

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