Craving a savory and satisfying snack? Look no further than this Air Fryer Caramelized Onion and Mushroom Quesadilla!

With perfectly caramelized onions and sautéed mushrooms wrapped in a crispy tortilla, this easy-to-make quesadilla delivers rich, savory flavors that will leave you coming back for more. It’s the perfect blend of gooey cheese, earthy mushrooms, and sweet onions, all cooked to perfection in the air fryer for that irresistible crunch. Perfect for lunch, dinner, or even a midnight snack!
Why You Will Love This Recipe!
- Crispy texture with tender, melted cheese inside.
- Caramelized onions add sweet and savory depth.
- Quick and easy recipe for busy weeknights.
- Packed with savory mushrooms for extra flavor.
- Perfect for a satisfying vegetarian meal option
Ingredients Needed

- Flour tortillas – soft and warm base for filling.
- Cremini mushrooms – earthy, flavorful mushrooms for richness.
- Onion, sliced – sweet and savory caramelized onions
- Olive oil – rich and smooth for sautéing vegetables
- Salt – enhances flavors, balances sweetness of onions
- Black pepper – adds a mild, aromatic spice
- Cheddar cheese, shredded – melty, sharp, cheesy goodness
- Optional Toppings: Sour Cream, Salsa, Lime wedges, guacamole, shredded cheese, sliced olives, etc.
How To Make Air Fryer Caramelized Onion and Mushroom Quesadilla

Step One: In a large skillet, add the olive oil, and saute the sliced mushroom, sliced onions, salt, and pepper until browned, about 9-12 minutes. Layout a tortilla, and then add about 1/3 of the mixture in the center.

Step Two: Sprinkle shredded cheese on top. Cover with another tortilla, pressing down. Place in the air fryer, spray the top with olive oil, which will help the top crisp up.

Step Three: Set the air fryer temperature to 350 degrees F, and set cook time for 5-7 minutes. Let cool slightly, then cut into wedges.

More Easy Air Fryer Recipes
- AIR FRYER PEPPERONI GRILLED CHEESE
- EASY AIR FRYER BLACK BEAN AND CORN QUESADILLA
- AIR FRYER, CLASSIC BREAKFAST GRILLED CHEESE
Don’t Forget To Pin!

Air Fryer Caramelized Onion and Mushroom Quesadilla
Description
Ingredients
- 6 flour tortillas
- 12 ounces Cremini mushrooms
- 1 onion, sliced
- 2 tablespoons olive oil
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 cup Cheddar Cheese, shredded
Optional Toppings: Sour Cream, Salsa, Lime wedges, guacamole, shredded cheese, sliced olives, etc.
Instructions
- In a large skillet, add the olive oil, and saute the sliced mushroom, sliced onions, salt, and pepper until browned, about 9-12 minutes.
- Layout a tortilla, and then add about 1/3 of the mixture in the center.
- Sprinkle shredded cheese on top.
- Cover with another tortilla, pressing down.
- Place in the air fryer, spray the top with olive oil, which will help the top crisp up.
- Set the temperature to 350 degrees F for 5-7 minutes.
- Let cool slightly, then cut into wedges.
- Plate, serve, and enjoy!
Equipment
- Cooking Spray
- Parchment Paper, optional
Nutrition
Share this recipe
We can’t wait to see what you’ve made! Mention @forktospoon or tag #forktospoon!