These air fryer spinach and feta stuffed mushrooms are a fast appetizer that looks a little fancy without much effort. The filling is savory and tangy, while the mushroom caps turn juicy with lightly browned tops.
Why This Air Fryer Recipe Works
The air fryer’s circulating heat cooks the mushroom caps quickly without making them waterlogged. A quick pre-cook step helps drive off moisture so the filling stays creamy instead of runny.
Spinach and feta bring big flavor in a small bite, and a little Parmesan on top helps the stuffing brown. Everything finishes in under 20 minutes, including prep-friendly steps.
Ingredients You’ll Need
16 oz large white mushrooms or cremini (about 16–20), stems removed
2 packed cups fresh baby spinach, finely chopped
4 oz feta cheese, crumbled (about 1 cup)
3 oz cream cheese, softened
1/3 cup grated Parmesan cheese, plus 2–3 tbsp for topping
2 cloves garlic, minced
2 tbsp plain breadcrumbs (optional, for a slightly crisp top)
1 1/2 tbsp olive oil, divided
1/2 tsp dried oregano
1/4 tsp black pepper
Pinch of crushed red pepper flakes (optional)
1/4 tsp kosher salt (optional; feta is salty, so taste the filling first)
Lemon wedge for serving (optional)
Ingredient note: Choose mushrooms with deeper caps for easier stuffing. If your mushrooms are small, you’ll likely have extra filling—save it for toast or omelets.
How to Make Air Fryer Spinach and Feta Stuffed Mushrooms in the Air Fryer
1) Prep the mushrooms. Wipe mushrooms clean with a damp paper towel. Carefully twist out the stems and use a spoon to gently scrape out any loose gills if needed for more space.
2) Pre-cook the caps. Lightly brush or spray the mushroom caps with about 1/2 tbsp olive oil. Arrange in the air fryer basket in a single layer (you may need to cook in batches). Air fry at 370°F for 4 minutes to release moisture.
3) Drain. Transfer the pre-cooked caps to a paper towel-lined plate, cup-side down, for 2 minutes. This step helps keep the filling from getting watery.
4) Make the filling. In a bowl, mix cream cheese, feta, Parmesan, garlic, oregano, pepper, and red pepper flakes. Stir in chopped spinach and the remaining olive oil. If using, mix in breadcrumbs. Taste and add a small pinch of salt only if it needs it.
5) Stuff the mushrooms. Turn caps right-side up. Spoon filling into each cap, mounding slightly. Sprinkle a little extra Parmesan on top for browning.
6) Air fry. Place stuffed mushrooms back in the basket in a single layer. Air fry until the tops are lightly browned and the mushrooms are tender.
7) Serve. Let them cool for 3 minutes (the filling is hot). Finish with a small squeeze of lemon if you like.
Air Fryer Time and Temperature
Pre-cook mushroom caps: 370°F for 4 minutes
Cook stuffed mushrooms: 370°F for 6–8 minutes
Total cook time is usually 10–12 minutes, not counting stuffing. If your mushrooms are very large, plan on the full 8 minutes (or add 1–2 minutes as needed).
Doneness cues: the mushrooms should look glossy and tender, and the filling should be hot with lightly browned spots on top.
Tips for the Best Results
Don’t skip draining the caps after the pre-cook. It’s the easiest way to avoid puddles under the filling.
Chop the spinach finely so the stuffing holds together and packs neatly.
Work in batches rather than stacking. Crowding can steam the mushrooms and slow browning.
If your air fryer runs hot, start checking at 5–6 minutes for the stuffed stage.
For a more golden top, add the extra Parmesan halfway through the final cook.
Troubleshooting: If the filling looks dry, your cream cheese may have been too cold—next time let it soften longer. If the mushrooms are swimming in liquid, your caps were likely washed or not pre-cooked long enough.
Variations and Substitutions
Make it breadcrumb-free: Skip breadcrumbs and rely on Parmesan for browning.
Add herbs: Chopped parsley or dill pairs well with feta—stir in 1–2 tbsp.
Swap the cheese: Use goat cheese instead of feta for a milder tang.
Add protein: Stir in 2–3 tbsp chopped cooked bacon or finely diced cooked chicken.
These work as a party appetizer or a light dinner alongside something crisp and fresh. Try them with a simple arugula salad, roasted tomatoes, or a bowl of soup.
Air fryer chicken skewers or wings for a game-day spread
A lemony cucumber-tomato salad
Warm pita or toasted baguette slices to scoop any extra filling
How do I keep stuffed mushrooms from getting soggy in the air fryer?
Pre-cook the caps and drain them cup-side down before stuffing. Also avoid rinsing mushrooms under water; wiping them clean helps limit extra moisture.
Can I use frozen spinach instead of fresh?
Yes, but thaw it completely and squeeze it very dry first. Use about 1/2 cup well-drained frozen spinach in place of the fresh.
Do I need to preheat my air fryer?
If your model preheats quickly, 2–3 minutes helps with more consistent browning. If you skip it, you may need to add 1 minute to the final cook time.
Can I make these ahead of time?
You can mix the filling up to 2 days ahead and keep it chilled. Stuff the mushrooms right before cooking for the best texture, since mushrooms can weep if they sit filled too long.
What size mushrooms are best for stuffing?
Large white button mushrooms or cremini are easiest to fill and cook evenly. If using baby bellas that are smaller, reduce the final cook time slightly and expect to make more pieces.
