How to Preheat Ninja Air Fryer?

When it comes to cooking delicious and healthy meals, the Ninja Air Fryer is an amazing appliance to have in your kitchen.

It’s versatile, easy to use, and helps you get crispy, perfectly-cooked food with less oil. 

An important step to ensure your food cooks evenly and comes out just the way you want it is preheating the appliance before use.

By preheating the air fryer, you not only shorten the cooking time but also ensure that your food is heated evenly throughout. 

Why Preheat Your Ninja Air Fryer?

Preheating your Ninja Air Fryer is essential for achieving the best possible results.

When you preheat, you ensure that the air fryer reaches the ideal temperature before adding your food.

This means that your food will cook more evenly and efficiently. Some key benefits of preheating include:

  • Even cooking
  • Reduced cooking time
  • Optimal texture and flavor

I remember the first time I used my Ninja Air Fryer without preheating; the food took longer than expected to cook and didn’t have that perfect crispiness I was looking for.

You’ll notice a significant difference in the texture and flavor of your food when you preheat your Ninja Air Fryer.

Preheating helps achieve the ideal level of crispiness on the outside while keeping the inside of your food tender and juicy.

For example, when cooking homemade french fries, preheating ensures that they turn out golden brown and crispy, while still being fluffy on the inside.

Similarly, preheating can enhance the flavor of your food by ensuring that the seasonings and spices are cooked evenly, giving you a more consistent taste throughout.

Also read: How Long Does it Take to Preheat an Oven?

How to Preheat Ninja Air Fryer

There are two ways to go about it- using the preheat button or manual preheating.

Most models of the Ninja air fryer do not have a preheat button.

I recently came across a discussion where a user mentioned that his Ninja air fryer did not have a preheat button. He owned a Ninja dual-zone air fryer.

Using the Preheat Button

If your Ninja Air Fryer has a preheat button, it’s straightforward to use it.

First, make sure your air fryer is empty and plug it in. Then, press the power button to turn it on. 

To start preheating, simply press the preheat button, and the preheat light will turn on. Wait for the light to turn off, which means your air fryer is ready to cook your food. 

Remember to refer to your user manual or quick start guide whenever necessary, as specific models may have particular instructions.

Manually Preheating

If your Ninja Air Fryer doesn’t have a preheat button, don’t worry! You can still preheat it manually.

Start by plugging the air fryer in and pressing the power button to turn it on. 

Following the instruction manual. Set the temperature to the desired level for the food you’ll be cooking ( It will usually be between 350 and 400 degrees Fahrenheit). 

Once you’ve set the temperature, set the timer accordingly and start the cook cycle. After the timer is up, your air fryer is preheated and ready for use!

Watch the video below on how to preheat and cook sweet potatoes in a Ninja Air Fryer.

For preheating and cooking mozzarella sticks, french fries, and chicken wings in the Ninja air fryer, watch the video below:

Also read: Do Air Fryers Cook Faster Than Convection Ovens?

Recommended Preheating Time and Temperature

Before starting your Ninja Air Fryer, it’s crucial to understand the recommended preheating time and temperature.

Preheating helps ensure even cooking and reduces overall cooking time.

Let’s break down the key factors you need to consider for different temperature ranges.

Lower Temperatures (Under 300° F)

For lower temperatures, a preheating cycle of 3 minutes is sufficient.

This quick preheat period helps avoid overcooking delicate foods like vegetables or fish.

  • Preheat your Ninja Air Fryer to the desired temperature
  • Set the timer for 3 minutes
  • Start the cook cycle

Medium Temperatures (300-350° F)

When cooking at medium temperatures, increase the preheating time to 4 minutes.

This range is suitable for most common air-frying recipes, including chicken or smaller cuts of meat.

  • Preheat your Ninja Air Fryer to the desired temperature
  • Set the timer for 4 minutes
  • Start the cook cycle

Higher Temperatures (375° F and above)

For higher-temperature cooking, such as crispy fries or larger cuts of meat, it’s ideal to preheat for 5 minutes.

This ensures your air fryer is ready to provide an even, golden-brown finish.

  • Preheat your Ninja Air Fryer to the desired temperature
  • Set the timer for 5 minutes
  • Start the cook cycle

Remember, when preheating your Ninja Air Fryer, always make sure the unit is clean, dry, and properly ventilated.

Once you’ve mastered these preheating tricks, you’ll be well on your way to air frying like a pro!

Also read: 10 Air Fryer Mistakes to Avoid

Preheating for Different Recipes and Dishes

Let us take up some common recipes and dishes in the air fryer and discuss their preheating.

French Fries and Wings

Whether you’re cooking homemade or frozen french fries and wings, preheating your Ninja air fryer is important for achieving the ideal crispiness.

Simply preheat your air fryer to 390° F for 3 minutes before cooking.

When preparing fries and wings:

  • Coat them lightly with oil or cooking spray
  • Arrange them evenly in the basket
  • Cook for approximately 25 minutes or until they reach your desired level of crispiness.


For meats like fish, chops, or chicken tenders, preheating your air fryer is important for creating that perfect sear on the outside without overcooking the inside.

It is best to preheat your Ninja air fryer, depending on your model.

If your model doesn’t have a specific preheat setting, you should follow this guideline:

  • For temperatures under 300° F, preheat for 3 minutes.
  • For 300-350° F, preheat for 4 minutes.
  • For 375° F and above, preheat for 5 minutes.
Also read: Does Air Fryer Dry Out Food?


When baking pastries, cakes, or cookies in your Ninja air fryer, preheating is essential for even baking and ensuring your treats are fully cooked.

Preheat your air fryer at the recipe’s recommended temperature for 3-5 minutes.

Here are some helpful tips for baking with your air fryer:

  • Use parchment paper or accessories designed for air fryer baking
  • Be mindful of cooking times, as they may vary from traditional ovens
  • Keep an eye on your baked goods to avoid overcooking or burning

Remember to experiment and adjust your air fryer settings as needed to achieve your desired results.

Enjoy your delicious homemade french fries, wings, meats, and baked goods!

Also read: Can You Bake With Avocado Oil?

Reheating Leftovers Foods

Reheating leftovers in your Ninja Air Fryer is simple and convenient. Just follow these steps:

  • Place your leftover food in the air fryer basket.
  • Select the reheat button on your Ninja Air Fryer. This pre-programmed setting will use hot air to heat your food evenly and quickly. 
  • Keep an eye on the cooking time to avoid overcooking, and remove the food when it has reached your desired level of crispiness.
Also read: How to Reheat Quiche in Air Fryer?

Preheating for Frozen Foods

When cooking frozen foods in your Ninja air fryer, preheating can improve the overall results.

Follow these simple steps to preheat your air fryer:

  • Turn on your air fryer and set the temperature required for the food you’re cooking. This is typically between 350 and 400 degrees Fahrenheit.
  • Select a preheat time based on the chosen temperature.
  • After the preheat time has elapsed, carefully place your frozen food in the air fryer.

By preheating your Ninja Air Fryer, you’re reducing the overall cooking time and ensuring that your frozen food is cooked evenly.

This way, you can enjoy crispy, delicious meals that are easy to clean up and less time-consuming!

Also read: How to Defrost Chicken in Air Fryer?

Using Accessories and Parchment Paper During Preheating

When preheating your Ninja Air Fryer, you might want to use accessories or parchment paper to make your cooking process easier. 

First, consider using accessories like the multi-layer rack or crisper plate. Place them inside the air fryer before preheating to avoid struggling with the hot unit later.

This way, your accessories will be ready for cooking once the preheating is done.

When using parchment paper, it’s important to understand the rules involved:

  • Do not preheat the air fryer with parchment paper alone. Parchment paper rounds need food to weigh them down, or they will fly up and burn in the heating coil.
  • Place the parchment paper in the basket only when you add your food. The food should weigh the paper down properly to avoid any issues.
  • Keep the parchment paper away from the sides of the basket for even cooking. This also helps to prevent it from touching the heating element.

Here’s a quick summary of what to keep in mind:

  • Use accessories during preheating.
  • Only add parchment paper with food.
  • Ensure food weighs down parchment paper.

By following these simple guidelines, you’ll achieve optimal results while using accessories and parchment paper during the preheating process in your Ninja Air Fryer.

Also read: How Long Does an Air Fryer Take to Preheat?


In summary, preheating your Ninja Air Fryer is a breeze! Just follow these simple steps, and you’ll have it ready in no time:

Plug in your Ninja Air Fryer and press the power button.

Choose the preheat setting or manually set the temperature and timer.

  • For temperatures under 300 degrees, preheat for 3 minutes
  • For temperatures between 300-350 degrees, preheat for 4 minutes
  • For temperatures of 375 degrees and above, preheat for 5 minutes

By taking the time to preheat your Ninja Air Fryer, you’ll ensure that your food is cooked evenly and has the best possible texture and flavor. 

So there you have it, a quick and easy guide on how to preheat your Ninja Air Fryer. Make sure to keep your instruction manual handy for reference, and enjoy delicious meals in no time. Happy cooking!

Other articles you may also like:

I’m Jueria and I am a regular contributor on In my articles, I share time-saving techniques, appliance wizardry, and health-friendly recipes to bring taste and wellness to your table. So raise a glass (or a spatula) with me, to good health and good food, made easy!