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In our last discussion, we explained if Bone China is Kosher today, we will be explaining how to kasher a non kosher oven.

Imagine your oven as a canvas, ready to be purified and blessed with kosher potential. Just as Corelle glassware is cherished for its purity in kosher kitchens, your oven can be too.

So if you want to make a cooking machine that’s not meant for your special food become fit for it, there are some steps you can follow.

You see, sometimes you get a kitchen gadget that’s not set up the right way for what you want to cook, especially if it’s been used for different things before.

But don’t worry, there’s a way to get it all ready for that special Jewish meal. It’s like giving it a good bath but for the kitchen!

We’ll talk about how to do that and make sure your food stays good to eat. Let’s get started on making your cooking oven just right for kosher.


how to kasher a frying pan

To begin, let’s say you are using a stainless steel frying pan:

  • The first step in Kashering your Frying pan is to clean it up thoroughly.
Frying pan Kosher
  • Secondly, you heat your frying pan on direct heat using either a straw or a piece of newspaper to determine the “hotness” of the frying pan.
  • Once you see the straw or piece of newspaper get burnt inside the Frying pan, you are now sure that your Frying pan is now koshered.


How to kasher a non kosher oven

To kasher a non-kasher oven, kindly follow the steps below:

  • Clean the inside of the oven, the rack, the bottom, the sides, and the top of the oven.
  • After cleaning, wait 24 hours without using the oven. This waiting period allows time for any absorbed non-kosher flavors to dissipate.
  • We know that the oven is made out of metal, so you heat the oven to remove the flavors of the food particles.
Extra Large Air fryer and convection toaster oven
  • Set the temperature to about 500 degrees Fahrenheit or 260°C, and allow the oven to slowly heat up, this way it will be koshered.
  • Once the oven gets to 500 degrees Fahrenheit, allow the oven to sit for about an hour or half an hour so all the food particles become ash (This high heat helps burn off any remaining non-kosher residues.).
  • If your oven has a self-cleaning feature, use it. This feature heats the oven to extreme temperatures, helping to kasher it effectively.
  • Once the oven becomes cool, check to see if there are still additional food particles that didn’t get burnt off, and then you go through the process of heating your oven again until it’s ready for koshering.


It is not advisable to use the same house oven for meat and milk because the flavor and residue of what you use the oven for predominantly will affect it.

Cuisinart Air Fryer Convection Toaster Oven

For example, if you use your oven for meat and you want to use it for milk, you must cover the milk so that the flavor, steam, and walls of the oven that absorb meat over time don’t get into the milk.

If the milk isn’t covered, then your food has a mixture of meat and milk which isn’t good, that is why it is recommended to make a clear distinction to label your oven for either meat or milk.

However, the same method you apply in koshering an oven is also applied when kashering an oven from meat to milk, kindly follow the process below:

  • Clean the oven, especially the grease from leftover food, and soft and stubborn residue.
  • Preheat the oven to its highest temperature, this helps to burn off the remaining leaf over food residue.
  • After a while, allow the oven to cool off.
  • After the oven is cooled, clean the oven once more to remove any other ash or residue from the burning process.
  • Finally, after this koshering process, you have to decide to either use the oven for meat or milk.


How to Kasher a Toaster Oven

Kashering a toaster oven involves a process to make it kosher for either dairy or meat use, depending on your needs.

Here’s a simplified explanation that is in line with the same process of kashering an oven:

Toaster Smart Oven

Clean Thoroughly: Start with a clean toaster oven. Remove any food particles, crumbs, or residue from previous use.

Ensure the toaster oven hasn’t been used for at least 24 hours to allow it to cool and any absorbed flavors to dissipate.

Preheat the toaster oven to its highest temperature setting to help burn off any remaining residue.

Let it Heat: Allow the toaster oven to reach this high temperature and maintain it for about 1-2 hours. This process is called “libbun.” It helps to burn away any absorbed flavors or contaminants.

Afterward, turn off the toaster oven and let it cool down naturally. Do not use water to cool it.

Once it’s cooled, clean the toaster oven again to remove any ash or residue from the burning process.

After this process, your toaster oven should be considered kosher.


How to Kasher Metal Utensils

To Kasher your metal utensils, kindly follow the steps below:

  • Clean up your metal utensils using water and soap, and allow them to dry.
Stainless steel Utensils
  • Fill up your stainless steel pot with water, and allow it to boil.
  • You will need a long tong to insert the metal utensils into the boiling water, but you need to kosher the long tong first, and you do this by inserting it inside the boiling water, then take the other end and insert it too – we recommend you wear oven mitts.
  • Once it is boiling, gently insert your kitchen metal utensils one after the other into the boiling water, after a few minutes, kindly use your koshered long tong and bring them out.
  • You can place them on a clean kitchen towel.


To kasher a stovetop shouldn’t be hard, let’s say what you have is a glass stovetop, the first thing to do to get started is to:

Cusimax ceramic Electric Stovetop
  • Clean the surface of your stovetop, gently scrap, and remove any food item residue on the stovetop.
  • Secondly, put on the heating element (at a high temperature) on your stovetop and allow it to burn off any additional food particles for about 15 minutes to 20 minutes.
  • After the heat is cooled off from the stovetop, use a stainless steel kettle and boil water, allowing the water to boil very hot.
  • Then turn off the heating element of the stovetop, and gently pour the hot water from the kettle all over the glass stovetop make sure you cover all edges and all around the stovetop.
  • Allow it to cool for a while then clean it up, your stovetop is now Kasher.


Just like we mentioned in Kashering pots, knives can be placed under kitchen utensils, so the same methods used in kashering metal utensils can be used in koshering your Knife.

Stainless steel Knife Set

Therefore, to Kasher a knife, simply follow these simple steps below:

  • To begin, simply wash the knife thoroughly with soap and water so every leftover of food is removed.
  • Allow the Knife to dry especially for the formerly absorbed flavors to dissipate (we recommend you do not use the Knife after washing it).
  • Place a stainless steel pot on your glass stovetop, and allow the water to boil really hot.
  • Carefully use a long Koshered tong and submerge the knife in the boiling water, this method helps purify the knife.
  • After a few minutes, remove the knife from the boiling water, and allow it to cool down naturally.
  • Finally, you are free to use the kosher knife for either meat or milk (diary).  


Do you have large, medium, and small stainless steel pots? Follow these steps below to kosher your pots:

Hybrid nonstick Pot set to Kosher
  • Pour water into your pots, and fill it to the brim of the pots but it shouldn’t overflow.
  • Turn on your glass stovetop, and allow the water to boil “hot rock” that it’s bubbling.
  • The water filled to the brim that is now boiling hot rock might overflow a little bit on the glass stovetop, allow it.
  • Now, your pots are koshered according to the law of halal.

Most importantly, in case you want to kosher any other silverware, you can gently place them inside the boiling pots for koshering.


Are you moving into a new apartment and you are concerned about the kitchen because the last tenant isn’t Jewish so the kitchen isn’t Kosher?

Let me help you with what you can do so that this non-kosher kitchen can become kosher.

Kindly follow the steps below:

A Kitchen is made up of various cooking equipment but most importantly, a Kitchen has a sink and countertop, so, the first place to begin koshering your kitchen is to boil water and spill on every single spot on the sink and countertop.

If the kitchen has two sinks, that is awesome as you can use one for meat and the other for dairy, remember to wait for at least 24 hours before use.

Secondly is to kosher the dishwasher – We recommend you throw out the old racks to avoid cross-contamination and get a new one.

Then clean up the dishwasher twice with the self-cleaning mechanism, on the first cleaning, use soap, and for the other cleaning without soap, leave the dishwasher unused for 24 hours.

For the stovetop and kitchen oven kindly follow the koshering methods highlighted above and wait for 24 hours.

After all of these are done, your kitchen is now Kosher.

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