10 Minute Air Fryer Mushrooms and Onions

If you like mushrooms and love a side dish for your steak or ramen, this air fryer mushrooms and onions recipe will be a savior.

I love caramelized onions, and they elevate the taste of any dish. But when you combine caramelized onions with salty mushrooms, it just takes the dish to another level.

This air fryer mushroom and onion combo is delicious and goes well with ramen, steak, on top of burgers, or, in a wrap, hot dogs. It is versatile and can make any dish taste so good.

You can add this to your rice or use it as a pizza topping and mozzarella cheese. This has to be one of the best things I have made in an air fryer, and its versatility makes it even more worth the time and effort.

Why you should make this recipe

1. This recipe tastes delicious: The combination of caramelized onions and mushrooms is pretty delicious, and cooking them in the air fryer perfectly cooks the salty mushroom and the onion has a nice soft and slightly sweet crunchy flavor. 

2. Versatile Ingredient: You can use this mushroom and onion recipe for various dishes like burgers, ramen, or wraps by adding these flavorful mushrooms and onions, enhancing the overall taste and texture of your culinary creations.

3. Perfect Side Dish: Pair these savory mushrooms and onions with numerous recipes as a delectable side dish, complementing and enhancing the flavors of your main courses effortlessly.

4. Easy to make: Make this dish in no time with minimal effort. Plus, you’ll appreciate the convenience of minimal cleanup, as you will make it in a metal dish so you can serve in the same or add it to the main course as a side dish.

5. Consistent Results: With the air fryer, you get perfect results every single time – you can enjoy evenly cooked, caramelized onions and mushrooms without any guesswork involved.


250 grams of mushrooms, halved- I have used button mushrooms for this recipe as they come out very juicy and delicious. You can use any mushroom you like, but ensure it is fresh. The thicker the mushrooms, the better the cooking time.

1 large onion, peeled and thickly chopped- Make sure the onions are chopped well and you do not make it too thin. Thinly chopped onions can burn easily inside the air fryer, ruining the entire dish’s taste or flavor.

2 tablespoons olive oil- Oil is crucial in this recipe as it helps to cook all the ingredients evenly without burning them. You can use any neutral oil, like vegetable oil or avocado oil, that cooks well in the air fryer and includes olive oil.

1/2 teaspoon black pepper- You can add this seasoning or any of the below seasoning as much as you like and in any given quantity that you like. It is all about your personal preference.

1/2 teaspoon garlic powder

1/2 teaspoon salt

How to make Air fryer Mushrooms and onions

1. Prep Mushrooms and Onions: First, wash the mushrooms under cold running water to remove any dirt or debris. Dry the mushrooms using a clean kitchen towel and cut them in halves or quarters, depending on the size. Peel the onion, cut it in half, and then chop it into thick pieces.

2. Season and Mix: Combine the halved mushrooms and chopped onions in a mixing bowl. Add the olive oil, black pepper, garlic powder, and salt to the chopped mushrooms and onion and mix them well.

3. Transfer to Baking Pan: Place the seasoned mushrooms and onions mixture into a metal baking pan that fits in your air fryer basket. Make sure you use an oven-safe pan. All oven-safe pans can be used in an air fryer. You can also make this on a silicone basket liner.

4. Air Fry: Carefully place the baking pan with the mushroom and onion mixture into the air fryer basket and cook at 190°C for about 10 minutes. You can stir just once towards the end of the cooking time, let’s say at the 6-7 minute mark, so all the mushrooms and onions cook evenly.

5. Serve: Remove the mushrooms and onions from the air fryer once they are golden brown and tender. Serve them as a delicious side dish, or use them to enhance your favorite recipes.

Tips to make Mushrooms and Onions

1. Optimal Onion Thickness: Cut the onions into thick slices rather than thin ones to prevent burning. The thicker slices will cook evenly and caramelize beautifully without scorching.

2. Even Seasoning Distribution: Add the seasonings and mix well after cutting the onions and mushrooms. Using oil is essential as it helps evenly coat the vegetables and promotes better cooking without drying or burning them out.

3. Experiment with Seasonings: Don’t be afraid to get creative with your seasonings! Try different herbs, spices, or seasoning blends to customize the flavor to your liking. The possibilities are endless, whether it’s garlic powder, paprika, or Italian seasoning.

4. Use Oven-Safe Utensils: Ensure you use oven-safe utensils or accessories when making this recipe in the air fryer. You can also consider making this recipe in a silicone basket.

Varaitations to Mushrooms and Onions Recipe

1. Onions, Peppers and Mushrooms: Slice bell peppers (red, yellow, or green) into thick strips and add them to the mushrooms and onions mixture. The combination of peppers and mushrooms adds color and flavor to the dish. Season with spices, and herbs for extra flavor.

2. Sausage and Mushrooms: Cook sliced sausage (such as Italian sausage or smoked sausage) separately until browned, then add it to the mushrooms and onions mixture. The addition of sausage adds protein and a savory depth of flavor to the dish. Serve it as a side dish or sandwich filling.

3. Potatoes, Mushrooms, and Onions: Dice potatoes into cubes and add them to the mushrooms and onions mixture. The potatoes provide substance and texture to the dish, making it more filling and satisfying. Season with garlic, rosemary, and paprika for a delicious rustic flavor.

How to serve mushrooms and Onions

1. Side Dish: Serve the mushrooms and onions as a savory side dish alongside grilled chicken, steak, or fish. They make a perfect accompaniment to any main course.

2. Topping: Use the mushrooms and onions as a topping for burgers, sandwiches, or wraps. Their rich flavor and tender texture will take your favorite dishes to the next level.

3. Pasta: Toss the mushrooms and onions with cooked pasta to get more veggies and flavor in them. Add grated Parmesan cheese and fresh herbs for extra flavor.

4. Salad: Add the air fryer mushrooms and onions to salads for an earthy flavor. They pair particularly well with leafy greens, roasted vegetables, and a tangy vinaigrette dressing.

5. Pizza: Use the mushrooms and onions as a pizza topping, along with mozzarella cheese and pizza sauce. Bake until the cheese is golden brown for a delicious homemade mushroom and onion pizza.

6. Breakfast: Serve the mushrooms and onions with scrambled eggs, omelets, or frittatas for a hearty breakfast or brunch. They add a savory kick to your morning meal.

7. Appetizer: Serve the mushrooms and onions on crostini or crackers for a simple appetizer. Top with a sprinkle of fresh herbs or grated cheese.

Air fryer mushrooms and onions

Air Fryer Mushrooms and Onions

If you want to make the best air fryer mushrooms and onions quickly and easily, this recipe will be your savior. It just takes 10 minutes to make this in the air fryer in a single pan that you can use the same pan later to serve. So make sure you make this simple recipe.
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Course Appetizer, Side Dish
Cuisine American
Servings 2 person


  • 1 Philips Air fryer
  • 2 Air fryer Safe Pan


  • 250 grams Mushroom
  • 1 Large Chopped Onion
  • 2 tbsp Olive Oil
  • 1/2 tsp Black Pepper
  • 1/2 tsp garlic powder
  • 1/2 tsp salt


  • Wash mushrooms under cold running water to remove dirt and debris. Pat dry and halve or quarter, depending on size. Peel onion, cut in half, and chop into thick pieces.
  • Combine mushrooms and onions in a mixing bowl. Add olive oil, black pepper, garlic powder, and salt. Mix well to coat evenly.
  • Place seasoned mixture into a metal baking pan that easily fits in your air fryer basket. Ensure it's oven-safe or use a silicone basket liner.
  • Carefully place baking pan in the air fryer basket. Cook at 190°C for about 10 minutes. Stir once around the 6-7 minute mark for even cooking.
  • Once golden brown and tender, remove from air fryer. Serve as a side dish or use in your favorite recipes. Enjoy your flavorful mushrooms and onions!
    Air fryer mushrooms and onions


1.  Cut onions into thick slices to prevent burning. Thicker slices cook evenly and caramelize without scorching.
2. After cutting onions and mushrooms, mix well with seasonings. Using oil ensures even coating, preventing drying or burning.
3. Customize with herbs, spices, or blends to customize flavor. Try garlic powder, paprika, or Italian seasoning for variety.
4.  Use oven-safe utensils or silicone baskets in the air fryer for safety and convenience.
Keyword Air Fryer Mushrooms and Onions, Air fryer Onions and mushrooms

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