Marianne Martinez
Copper pans are popular for their impressive ability to keep food from sticking during cooking. However, copper is toxic and reactive, so an inert metal lining keeps the food from touching the copper. Traditionally, the metal lining was tin, but today, most copper pan manufacturers line their pans with stainless steel. This makes it important to season a copper pan, which refers to the intentional buildup of a layer of hardened oils and fats on a cooking surface.
Are you supposed to season a copper pan?
| Characteristics | Values |
|---|---|
| Purpose of seasoning | To create a non-stick surface by sealing off the pores with cooking fats |
| Seasoning copper pans | Not recommended due to copper's reactivity and toxicity; tin, stainless steel, or other linings are preferred to protect from acid interaction |
| Seasoning process | Applying and heating layers of oil, cleaning gently, and avoiding acids and detergents that can strip the seasoning |
| Frequency of seasoning | At least once a year, but every 3 months for best results |
| Oil type | Vegetable oil or oils with a high smoking point (e.g., peanut oil, grapeseed oil, canola oil) |
| Cleaning | Avoid abrasive scrubbers and strong detergents; use hot soapy water and a non-scratch sponge |
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What You'll Learn
How to season a copper pan
Copper pans are popular for their ability to prevent food from sticking during cooking. However, seasoning a copper pan is not the same as seasoning a cast iron or carbon steel pan. The tin on copper pans creates a non-stick surface, and seasoning with oil and heat may not be necessary. In fact, oil seasoning can be counterproductive as oil and acid can strip away the seasoning. If the cost of retinning is prohibitive, you can season your copper pan as follows:
First, ensure your copper pan is clean and dry. Wash the pan with soap and warm water, being careful not to scrub the surface harshly to avoid causing tiny abrasions. Use a soft cloth to softly lather the soap, then rinse the pan to ensure all soap residue is removed. Dry the pan thoroughly.
Next, add 1 tablespoon (15 mL) of oil to the pan. Use an oil with a high smoking point, such as vegetable, peanut, grapeseed, or canola oil. Avoid oils with a low smoking point, like olive oil, as they can burn the pan. Spread the oil evenly across the entire inner surface of the pan using your fingers or a paper towel.
Now, place the pan on a burner set to medium heat. There is no need to wait for the burner to reach a specific temperature; simply turn on the heat and place the pan on it.
Allow the pan to heat up for about 20 minutes. It is recommended to place it on the middle rack of the oven for the best results. Keep in mind that you may or may not see smoke coming off the pan during this process. Use oven mitts when handling the pan to avoid burns.
After 20 minutes, remove the pan from the heat and let it cool down. During this time, the oil will dry and fill in the tiny pores on the pan's surface. This should take about 15 minutes. Once the pan has cooled, wipe away any excess oil with a paper towel.
Your copper pan is now seasoned and ready for use! To maintain optimal performance, it is recommended to season the pan at least once a year. However, for the best results, aim to season it every 3 months.
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The benefits of seasoning
Seasoning a copper pan can provide several benefits. Firstly, it creates a non-stick surface, preventing food from sticking to the pan during cooking. This makes cleaning the pan easier and helps to maintain its appearance. The process of seasoning involves filling in the small pores on the surface of the pan, creating a smooth and even cooking surface.
Secondly, seasoning can act as a protective barrier, sealing off the metal from water and preventing rust. This is especially beneficial for cast iron and carbon steel pans, which are more susceptible to rusting. By properly seasoning these types of pans, cooks can extend their lifespan and improve their performance.
Additionally, seasoning can help with heat distribution. A well-seasoned pan can distribute heat more evenly, reducing the chances of hot spots and ensuring that food cooks uniformly. This is particularly advantageous when cooking delicate dishes that require precise temperature control.
Seasoning a copper pan can also enhance the flavour of your dishes. The layer of oil or fat used in the seasoning process can impart a subtle flavour to your food, adding depth and complexity to your culinary creations.
Finally, seasoning a copper pan can be a cost-effective way to improve your cooking experience. Instead of purchasing expensive non-stick cookware, seasoning a copper pan is a relatively inexpensive process that can be done at home with simple ingredients like oil or fat.
It is important to note that seasoning a copper pan does not replace the need for a metal lining, especially if the pan is used for cooking acidic foods. The acid can strip away the seasoning, defeating its purpose. Therefore, it is recommended to have a suitable metal lining, such as tin or stainless steel, in addition to seasoning for optimal performance and safety.
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The drawbacks of seasoning
While seasoning a copper pan can create a non-stick surface, there are some drawbacks to this process. Firstly, the seasoning process requires regular maintenance. To maintain the effectiveness of the seasoning, the pan should be seasoned at least once a year, and for optimal results, this should be done every three months. This can be time-consuming and inconvenient, especially for those who use their copper pans frequently.
Secondly, the seasoning process may not be suitable for all types of cooking. The main concern with copper pans is copper exposure, and the primary source of copper exposure is acid. Acidic foods can strip away the seasoning, defeating the purpose of the process. Therefore, if you plan to cook acidic dishes, it is recommended to use a different type of pan or lining, such as tin or stainless steel, which offer better protection against copper exposure.
Another drawback of seasoning a copper pan is the potential for uneven results. The seasoning process involves filling in the small pores on the surface of the pan with oil, and this can be challenging to do evenly. If the oil is not properly distributed, it can result in an uneven cooking surface, which may affect the overall cooking experience and the final dish. Additionally, the process of seasoning a copper pan can be messy and time-consuming. It requires multiple steps, including applying oil, heating, and gently washing the pan. If the pan is not properly prepared or cleaned, the seasoning may not be effective, and the process may need to be repeated.
Lastly, there is a potential health concern with seasoning copper pans, especially when cooking for infants and young children. While seasoning creates a barrier between the copper and the food, it may not be sufficient to prevent copper exposure completely. Infants and young children have less developed bodies and may not excrete copper as efficiently as adults. Therefore, if you are regularly preparing food for young children, it may be safer to use a different type of pan or opt for retinning to reduce the risk of copper exposure.
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How to clean a seasoned copper pan
Copper pans are popular for their impressive ability to keep food from sticking during cooking. However, copper is a highly reactive metal, so the majority of copper cookware is lined with another material, typically tin, which is naturally non-stick. This makes cleaning the interior of the pan easy. To clean the interior of a tin-lined copper pan, use a sponge, soft brush, or washcloth with some mild dish soap. For particularly stuck-on food, let the pan soak for 10-15 minutes in hot, soapy water, then go in with your sponge again.
To clean the exterior of a lacquered copper pan, simply wipe it down with a soft cloth and some mild dish soap. Rinse the soap off thoroughly and dry the pan well before putting it away. For the exterior of an unfinished copper pan, you can use a natural and effective method: cut a lemon in half, sprinkle some salt or coarse salt on it, and gently rub the salted lemon onto the tarnished areas. After treating all the tarnished areas, rinse the pan with water to remove any lemon juice and salt residue, then dry it with a microfiber cloth.
Another method for polishing the exterior of a copper pan involves using an acidic ingredient and salt. Brooklyn Copper Cookware recommends mixing two parts tomato paste with one part coarse salt, then rubbing the mixture onto the copper. Let the paste sit for a few minutes, then wipe it off with a soft cloth. You can also use ketchup instead of tomato paste. If you let the tarnish build up for too long, you might need to bring in a stronger acid to help cut through the build-up, such as lemon juice or vinegar. To use lemon juice, cut a lemon in half, dip it into kosher salt, and rub the salt and lemon juice onto the unfinished copper. To use vinegar, mix equal parts salt and flour in a bowl, then slowly add vinegar and stir until a thick, smooth paste forms. Apply the paste to the heavily tarnished areas of the copper item, then rinse and dry the pan.
If you are seasoning a copper pan, make sure the pan is dry and soap-free, then add a tablespoon of oil, such as vegetable oil or another oil with a high smoking point. Spread the oil around the entire inner surface of the pan with your fingers or a paper towel. Place the pan in the oven and let it cook for 20 minutes on the middle rack. If you see smoke coming off the pan before 20 minutes have passed, remove the pan. After the pan has cooled, wipe off any excess oil.
It is important to note that seasoning does protect from copper exposure, but acid will strip away the seasoning. Therefore, it is recommended to retin the pan if you are regularly preparing food for infants or young children, as their bodies do not deal with dietary copper as well as adults.
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Alternatives to seasoning
Copper pans are unique and require special care. Seasoning a copper pan can protect against copper exposure, but it is ineffective when cooking with acidic foods as this will strip away the seasoning.
If you are hesitant to season your copper pan, there are a few alternatives to consider:
- Retinning: This process involves coating the copper pan with a layer of tin, which can provide a non-stick surface similar to seasoning. Retinning can be done professionally or, if you have the space and knowledge, it can be attempted at home. However, the cost of retinning may be high, so it is recommended to assess the frequency of use before deciding.
- Using a Different Pan: If you are concerned about copper exposure, especially when cooking for infants or young children, consider using a different type of pan. High carbon or cast iron pans are popular alternatives that do not require seasoning and are safe for cooking a wide range of foods.
- Lining the Pan: Instead of seasoning the copper pan directly, you can line it with tin, stainless steel, or other suitable materials. These linings will protect against acid interaction and are preferred for general cooking uses. This option may be more feasible if you want to avoid the hassle of seasoning or retinning.
- Cooking with Non-Acidic Foods: Copper pans can be used without seasoning if you plan to cook only non-acidic foods. By properly cleaning the surface and avoiding acidic ingredients, you can safely use the copper pan without the need for additional treatments.
Remember, copper pans are unique and require special care. It is important to consider the type of food you will be cooking and the frequency of use before deciding on the best approach to maintain your copper pan.
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