How to preheat Ninja air fryer?
Air Frying Guides

How to preheat Ninja Air Fryer?

How to preheat Ninja Air Fryer? It is the first question that comes in mind if you own or have newly bought a ninja air fryer. Preheating Ninja Air Fryer is not a complex issue. In fact, nowadays most Ninja Air Fryers are coming with preheat function, where you can preheat it by touch of a button. 

It’s surprisingly simple to prepare healthier versions of all your favorite fried dishes with the Ninja Air Fryer such as Crispy Air Fryer Chicken Breast, the delectable Air Fryer Chicken Thighs, and Air Fryer Green Beans, which are a household favorite. This practical fryer tutorial demonstrates how to heat up your Ninja Air fryer, explains when to do so (and when not to), offers useful advice, and more.

It’s understandable why the Ninja Air Fryer has become one of the most well-liked kitchen appliance. And among Ninja family, Ninja XL Air Fryers are best to buy.

Steps To Preheat Ninja Air Fryer (Manual Method)

  • At first, clean your air fryer. Make sure there are no tiny particles left from previously cooked food.
  • Switch the air fryer, make sure it is empty, and turn it on.
  • Refer your recipe manual for setting time and temperature.
  • Normally the temperature is set between 350 and 400 degrees Fahrenheit.
  • Select the required preheat time. Ninja recommends preheating time to 3 mins. But you can add a couple more minutes if your recipe requires.
  • Also once preheated, prefer spraying oil in cooking basket to prevent your food from sticking. 
  • You can use your air fryer once it is preheated. You can now put your food in the basket and cook it in accordance with your preferred recipe.

      Ninja air fryer preheat manual


Steps To Preheat The Ninja Air Fryer (Preheat Function Button)

  • If your Ninja Air Fryer has a preheat button, then life is easy for you.
  • Simply turn on your air fryer, press the preheat button and that’s it.
  • But don’t forget to empty air fryer basket.
  • When the preheat function is complete, open the air fryer basket, add food, and cook according to recipe or package directions.

Should I Use The Preheat Button On The Air Fryer?

If your fryer has a preheat button, you can certainly use it. However, you can also skip it and just simply run your air fryer for however long it takes to attain the necessary temperature. Its up to you.


How Long Does It Take To Preheat Ninja Air Fryer?

It depends on the size of air fryer you are using and the temperature that you set to preheat it. Here is a variety of timings for preheating a medium-sized Ninja air fryer with a basket: 300F/149C is reached in 2-3 minutes, 350F/176C in 3-4 minutes, 375F/190C in 4-5 minutes, and 400F/204C in 5-6 minutes.

Do You Really Need To Preheat Your Ninja Air Fryer?

It is crucial to pre-heat your Ninja Air Fryer because failing to do so could result in food that cooks more slowly, cooks unevenly, and loses some of its crispiness. Preheating your ninja air fryer has various advantages, just as preheating a standard oven;

  • Food cooks more evenly.
  • The outside will be perfectly crisp.
  • Reduced cooking time.
  • Cooking time will be more accurate when making recipes that require preheating.

Ninja air fryer

Safety Tips While Preheating Ninja Air Fryer

  • Consult your Air Fryer’s instruction manual and adhere to the preheating directions for your particular model.
  • To get rid of any potential manufacturing odors while using the Ninja Air Fryer for the first time, ensure to preheat it for 3 minutes at 400°F (200°C).
  • Make sure your fryer is clean and dry before you begin preheating.
  • Ninja air fryer temperatures vary depending on make and model, so it’s important to always check that food is done.
  • When cooking frozen food, preheat the air fryer for 5 minutes at 390°F (199°C).

When There Is A Need To Preheat Ninja Air Fryer

  • Basically, if the instruction manual of your own fryer tells you that it is advisable to preheat before cooking, obviously you should do it to obtain the best result.
  • Normally Ninja recommends preheating air fryer to 3 mins.
  • Another key is if the recipe you’re trying to cook expressly tells you to preheat, so you should.
  • If you are looking for crispy and uniform foods, you should also preheat the fryer, to obtain this result optimally.

If you have doubts and do not know whether to preheat, in general terms it would be the most recommended. If the instruction manual doesn’t tell you otherwise, there shouldn’t be any problem for you to preheat the fryer.

When There Is No Need To Preheat Ninja Air Fryer

Most of the time it’s best to preheat a fryer, but there are certain situations where you don’t want to preheat;

  • Do not preheat when baking bread, cakes or pastries. Preheating tends to make the exterior too crispy too early, resulting in an overly crispy exterior and a soggy undercooked interior.
  • When preparing bulkier raw foods, you might wish to skip preheating like roasts or whole chickens. Or else, there is a risk of overcooking the meal on the outside before the inside is fully cooked.

Typical Errors That Air Fryer Users Make That Leads To Spoiled Food

  • When you don’t check on the progress around the midpoint: There are errors in recipes, and every stove, air fryer, toaster, and oven are unique. You shouldn’t leave something in the oven for 15 minutes just because the recipe suggests to do so without checking.
  • At the end, you don’t unplug it: It is recommended to unplug the air fryer once you are done cooking for everyone’s safety and to save on energy costs. By doing this, we can avoid any potential risks associated with a device that uses a lot of energy.
  • When you don’t put all the food that you should: Air fryers are capable of handling anything, and if you check up recipes, you’ll learn that you can use them to cook anything from Oreos to vegetables.
  • When you overfill the drawer: The food will come out chilly on the inside and burned on the outside. Foods must be separated from one another in air fryers in order for them to cook and crisp.
  • When you don’t use oil: An air fryer functions similarly to a convection oven and distributes heat throughout the food rather than simply from the bottom of the oven. To help restore the flavor and moisture of the food, we often forget that we still need to add oil to each meal—specifically, a teaspoon each time the air fryer is used.

Take away

To guarantee that your food cooks evenly, it’s crucial to pre-heat your Ninja Air Fryer. Preheating is simple to accomplish and just takes a few minutes. Set the timer for 3 minutes, select the AIR FRY feature, and adjust the temperature to 325°F. then click START/PAUSE to get started. Following the completion of the preheating process, you can put your meal in the basket and start cooking.


Can I preheat my air fryer with parchment paper inside?

No, you don’t want to preheat your fryer with parchment paper. When the food doesn’t hold the parchment paper, it will fly away and could get burned. The fryer should be preheated before adding the parchment paper when using it for cooking.

What happens if I don’t preheat my air fryer?   

Without preheating your air fryer, food may take longer to cook, may cook unevenly, and probably won’t be as crispy on the outside.

Therefore, in order to secure the finest outcomes, it is important to pre-heat the fryer to the desired temperature. Similar to baking in the oven, preheating the fryer for around 3-4 minutes will give food ample time to cook evenly.

For how long should Ninja Air Fryer be preheated?

You would turn on your Ninja Air Fryer, select the desired temperature, then push the pre-heating button to set it to 3 minutes automatically (typically). You can then add your food when it beeps to indicate completion.

Should you preheat the air fryer before cooking?

Like a regular oven, the air fryer needs to be preheated before cooking, which typically takes less than five minutes. And it is preferred to do this right before filling the basket.

How do I clean my air fryer? 

In order to avoid food buildup, it is ideal to clean your air fryer right after each use. In order to clean your air fryer, simply remove the basket, tray and pan, then hand wash with soap and warm water. After that dry all the pieces well.

Ab Chaudhary

AboutAb Chaudhary

Hi, my name is Basit Ali. I’m a cooking enthusiast who loves trying out new recipes in the kitchen! I also like to upgrading my kitchen accessories from time-to-time with all sorts of interesting gadgets for making food prep easier and more convenient than ever before.


  1. My new Ninja air fryer does not have a pre-heat button. The instruction booklet says to pre-heat the device for 3 minutes. I set the temperature and the time and then press the stop/start button. It displays CLF! If I press it again it displays OFF. What am I doing wrong please?

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