Air Fryer Mushrooms and Onions The Sizzling & Instant Cook Recipe

If you’re in the mood for mushrooms and onions, the air fryer is the device for you.. So, Air Fryer Mushrooms and onions make a tasty and healthy side dish for vegans and vegetarians. One of the best recipes for air-fried sliced mushrooms, which can be made with only a few ingredients and ready in under 20 minutes, is right in front of you. They pair superbly with spuds, rice, meat, and poultry.. As a topping for pizza or a filler for burgers or grilled cheese sandwiches, it’s a versatile ingredient.

Quick and easy, this approach also produces a pleasant aroma in the cooking space. In addition, these mushrooms have a delicious flavor thanks to the balsamic vinegar and will complement any meal. So, try this recipe out now for some crispy mushrooms and onions that will wow your family and visitors at supper. 

Why This Recipe is Effective 

Cooking mushrooms and onions in an air fryer is a breeze. But it’ll take you up to 15 minutes to prepare.

Absolutely no out-of-the-ordinary materials are needed.. Get started right now by selecting your preferred mushroom.

Spread it over a sandwich, sprinkle it on a salad, or mix it into a side dish.

Look for something other than a low-carb side dish if you like these air-fried mushrooms and onions. Give this dish a shot and comment on how it turns out for you!



When using Baby Bella mushrooms. White button mushrooms or cremini mushrooms might work well here.


Yellow onion is our go-to since its mild flavor complements many different foods. It’s excellent for burgers, sandwiches, pizza, fajitas, salads, and more. However, White onion has a milder flavor, whereas red onion has a more robust one.


A dash of salt (to taste), some crushed black pepper, and some crushed red pepper flakes. This will give the roasted mushrooms and onions a pleasant zing.

As for the soy sauce:

Substitute tamari or coconut amino acids for the soy sauce if you must use it. Enjoy the taste; it’s fantastic. The richness and complexity of taste complement mushrooms beautifully.


Olive oil, preferably extra-light or light.

Oil spray for cooking:

Because of its excellent smoke point and suitability for high-heat cooking, spray avocado oil is our go-to cooking oil of choice. You can use any oil you like best.

How to Make Air Fryer Mushrooms and Onions 

Cleaning and dicing the mushrooms and onion is the first step.

In order to clean mushrooms, simply place them in a colander and pour water over them. The mushrooms should be allowed to drain for a while before being patted dry with kitchen towels. Never put mushrooms in water to rehydrate them.

Cut Mushrooms in Half with a Knife. More giant mushrooms can be cut into fourths. When air-frying mushrooms, they will shrink significantly. Therefore slicing them is unnecessary.

Prepare the onion by peeling it and slicing it into thin half- or quarter-inch pieces.

Second, add seasoning to the mushrooms and onions.

seasoning the mushrooms and onions in a see-through dish

To season the mushrooms, combine the spices and soy sauce in a dish with the chopped onions and mushrooms. Toss them until the spice and soy sauce are evenly distributed.

Third, AIR-FRY

First, preheat the air fryer to a temperature of 390 degrees Fahrenheit.. Add the mushrooms and onions to the oiled air fryer basket in a layer. Prepare in an air fryer at 390 degrees Fahrenheit for 12 minutes, stirring the basket once halfway through. The best taste is achieved when served right away. Enjoy! The Bella air fryer and the instant pot air fryer lid were tested with this recipe.

Air Fryer Mushrooms And Onions

How Long to Cook Mushrooms and Onions in the Air fryer 

A Cosori air fryer was used to cook unprepared mushrooms and onions at 390°F (190°C) for 12 minutes.. However, keep in mind that air fryers vary, so cooking times may be greater or shorter depending on factors such as the model you’re using.

If you preheat the oven, the time it takes to cook them will be reduced by a few minutes compared to the time given in this post.

The cooking time can be shortened by increasing the oven temperature to around 400 degrees Fahrenheit (200 degrees Celsius). To avoid burning, I recommend a lower temperature of 380 degrees Fahrenheit (190 degrees Celsius) and regular monitoring of the pan. Expect a longer cooking time if you want to cook at a temperature lower than I did (350°F/180°C).

The temperature at which food is cooked varies per air fryer brand, with some, like Ninja, being known to cook at a higher temperature than others. So make sure your food doesn’t overcook by keeping a close watch on the stove.

Slice thickness also makes a difference when cooking with mushrooms and onions. Slice as evenly as you can.

Should we eat raw mushrooms

Whether or not mushrooms purchased from a shop should be cooked before consumption is a topic of controversy on the internet. We haven’t had any problems, but it’s been reported that they contain certain poisons that might make you sick.

Most definitely. Many people believe that eating them prepared is the healthiest option. Adding heat to them boosts their nutritious value.

They taste the same whether you cook them in a microwave, air fryer, grill, or pan.

How Do You Clean Mushrooms

There are two methods for cleaning mushrooms:

Each one may be cleaned with a paper towel and some gentle rubbing motions. However, if the mushrooms are dirty, this method may not be practical or take a long time.

It’s best to wash the mushrooms in a colander and pat them dry with a paper towel before using them.. However, the mushrooms’ air-frying performance may suffer if you soak them in water first. Also, washing and chopping the mushrooms ahead of time can cause them to discolor, so try to avoid doing that.

How to Know When Mushroom and Onion Are Cooked

Browned and delicate, but not mushy, is the ideal texture for mushrooms. But, of course, they’ll get much smaller as well. This is why I prefer to make thick slices of mushrooms.

After 15 minutes of air frying, the onions will become soft and translucent and caramelize around the edges. Air-fried them for a little longer if you want a deeper caramelization. Observe them closely. The mushrooms and onions will dry out, and the onions will burn if you air-fried them for too long.

Does Cooking Reduce the Size of Mushrooms and Onions

Everybody has been let down by a meal only to find out that the mushrooms and onions shrank considerably in the oven.

This could be more pleasant, especially if you hope to feed more people with the same food. What, then, is causing this dwindling? Can it be avoided, and if so, how?

Vegetables lose their vibrant colours and flavours when their high water content is evaporated during cooking.. There is a lot of water in each of these plants. Vegetables lose water when cooked, leading to a drying and shrinking effect.

Take a few simple precautions to prevent excessive drying of your mushrooms and onions.

Both veggies cook rapidly, so keep an eye on the timer if you get sidetracked.

Use the Ninja Air Fryer Grill XL to cook some mushrooms and onions in the air fryer.

The key to perfect results is to cook them in a single layer. Air frying a significant quantity of mushrooms or onions at once will likely cause them to steam instead of brown. More water will be lost as a result of this.

Include some fat, such as oil, butter, or even bacon grease. This will act as a shield between the veggies and the heat, reducing the amount of water lost through evaporation.

Finally, my top advice is to double the recipe if you’re making this for a large group, doubling or tripling the recipe and cooking in stages, keeping the mushrooms and onions from touching each other.

How to Store Mushrooms and Onions

In the air, fresh mushrooms and onions are best used right once and can be kept for up to three days in the refrigerator in an airtight container. Make sure it has cooled completely before storing it in the fridge or freezer.. A month of freezing is possible.


Can You Put Onions In The Air Fryer?

Choose whichever raw onion you have on hand; they will all work. I’ve cooked with all kinds of onions, from white to Vidalia to yellow to red. To air fryer the sliced onions until they are golden and somewhat crisp, toss them with a touch of olive oil or avocado oil, spices, and water.

Does Cooking Mushrooms Destroy Vitamin D?

Because of a chemical process triggered by exposure to UV light, mushrooms can produce vitamin D2 when exposed to sunlight. Vitamins of this kind are resistant to heat and are readily absorbed by the body.


If you own an air fryer, you can stop stressing about how to prepare a healthy and tasty supper every night since these recipes are quick and straightforward to make. And here’s the best part: Each of these dishes may be prepared in under 10 minutes. Fry or bake the mushrooms for the finest results. However, if you’re trying to cut back on oil use, try out this recipe for crispy air-fried mushrooms and onions using an air fryer.