If you are looking for a delicious low-carb appetizer that does not sacrifice flavor, these Keto Stuffed Mushrooms are the perfect recipe to make. Tender mushroom caps are filled with a creamy mixture of garlic, cream cheese, Parmesan, herbs, and savory seasonings, then baked until golden, bubbly, and incredibly flavorful.
These stuffed mushrooms are naturally keto-friendly, gluten-free, and perfect for parties, holidays, game days, or a simple snack. The combination of earthy mushrooms, rich cheese filling, and fresh herbs creates a restaurant-quality appetizer that is surprisingly easy to prepare.
Whether you are following a keto lifestyle or simply looking for a delicious low-carb dish, these stuffed mushrooms are guaranteed to be a crowd favorite.
Why You’ll Love These Keto Stuffed Mushrooms
They are naturally low-carb and keto-friendly.
The creamy cheese filling is rich and satisfying.
They are easy to prepare with simple ingredients.
They make an elegant appetizer for gatherings.
They can be customized with bacon, spinach, sausage, or seafood.
They are perfect for meal prep and reheating.
They are packed with flavor without needing breadcrumbs.
Ingredients
For the Mushrooms
- 24 large white button mushrooms or cremini mushrooms
- 2 tablespoons olive oil
- ½ teaspoon kosher salt
- ½ teaspoon freshly ground black pepper
For the Creamy Filling
- 8 ounces cream cheese, softened
- 1 cup freshly grated Parmesan cheese
- 1 cup shredded mozzarella cheese
- 4 garlic cloves, finely minced
- 3 tablespoons fresh parsley, chopped
- 2 tablespoons fresh chives, chopped
- 1 teaspoon Italian seasoning
- ½ teaspoon garlic powder
- ½ teaspoon onion powder
- ¼ teaspoon red pepper flakes, optional
- ½ teaspoon black pepper
- Salt to taste
Optional Add-Ins
- ½ cup cooked crispy bacon, crumbled
- ½ cup cooked Italian sausage
- 1 cup chopped spinach, cooked and drained
- ½ cup chopped crab meat
- ½ cup chopped shrimp
- ¼ cup sun-dried tomatoes
For Topping
- ¼ cup Parmesan cheese
- Fresh parsley
- Extra mozzarella
- Cracked black pepper

How to Make Keto Stuffed Mushrooms
1. Preheat the Oven
Preheat your oven to 375°F (190°C).
Line a baking sheet with parchment paper.
2. Clean the Mushrooms
Gently wipe mushrooms with a damp paper towel.
Avoid soaking them in water because mushrooms absorb moisture easily.
3. Remove the Stems
Carefully twist or cut out the mushroom stems.
Set the mushroom caps aside.
4. Prepare the Mushroom Caps
Brush the mushroom caps lightly with olive oil.
Season with:
- Salt
- Black pepper
Place them hollow-side up on the baking sheet.
5. Prepare the Filling
Finely chop the mushroom stems.
In a mixing bowl, combine:
- Cream cheese
- Parmesan cheese
- Mozzarella cheese
- Garlic
- Parsley
- Chives
- Italian seasoning
- Garlic powder
- Onion powder
- Black pepper
- Red pepper flakes
Mix until smooth.
6. Add Optional Ingredients
Fold in your preferred add-ins:
- Bacon
- Sausage
- Spinach
- Crab
- Shrimp
Mix until evenly distributed.
7. Fill the Mushroom Caps
Spoon the cheese mixture into each mushroom cap.
Fill generously, creating a small mound on top.
8. Add Cheese Topping
Sprinkle extra Parmesan or mozzarella over each mushroom.
9. Bake the Stuffed Mushrooms
Place in the oven.
Bake for 20–25 minutes until:
- Mushrooms are tender
- Filling is hot and bubbly
- Cheese is golden
10. Broil for Extra Color
For a golden topping, broil for 1–2 minutes.
Watch carefully to prevent burning.
11. Rest Briefly
Allow mushrooms to cool for 5 minutes.
This helps the filling set.
12. Garnish and Serve
Top with:
- Fresh parsley
- Chives
- Black pepper
Serve warm.
What to Serve With Keto Stuffed Mushrooms
These stuffed mushrooms work beautifully as an appetizer or side dish.
Main Dishes
Serve alongside:
- Garlic butter steak
- Grilled chicken
- Roasted salmon
- Pork chops
- Ribeye steak
Keto-Friendly Sides
- Cauliflower mash
- Roasted asparagus
- Green beans
- Zucchini noodles
- Broccoli casserole
Party Foods
Pair with:
- Cheese boards
- Deviled eggs
- Chicken wings
- Meatballs
- Low-carb dips
Tips for the Best Keto Stuffed Mushrooms
Choose Large Mushrooms
Bigger mushroom caps hold more filling.
Do Not Wash Mushrooms Excessively
Too much water can make them soggy.
Use Softened Cream Cheese
Room-temperature cream cheese creates a smoother filling.
Drain Wet Ingredients
Spinach and seafood should be drained well before adding.
Avoid Overfilling
A generous filling is good, but too much can spill during baking.
Bake Until Golden
The cheese should be melted and lightly browned.
Serve Warm
The filling is best when creamy and melted.
Easy Recipe Variations
Keto Bacon Cheeseburger Stuffed Mushrooms
Add:
- Crispy bacon
- Ground beef
- Cheddar cheese
for a cheeseburger-inspired version.
Spinach Artichoke Stuffed Mushrooms
Add:
- Chopped artichoke hearts
- Spinach
- Extra Parmesan
for a classic dip-inspired filling.
Garlic Butter Shrimp Stuffed Mushrooms
Add:
- Chopped cooked shrimp
- Extra garlic
- Lemon zest
for a seafood variation.
Sausage Stuffed Mushrooms
Add:
- Cooked Italian sausage
- Mozzarella
- Fresh herbs
for a hearty appetizer.
Jalapeño Popper Stuffed Mushrooms
Add:
- Chopped jalapeños
- Cream cheese
- Bacon
- Pepper Jack cheese
for a spicy version.
Crab Stuffed Mushrooms
Add:
- Lump crab meat
- Old Bay seasoning
- Lemon juice
for an elegant seafood appetizer.
Chicken Parmesan Stuffed Mushrooms
Add:
- Shredded chicken
- Parmesan
- Mozzarella
- Italian herbs
for a protein-packed option.
Air Fryer Method
Preheat the air fryer to 375°F (190°C).
Place stuffed mushrooms in a single layer.
Cook for 8–12 minutes until mushrooms are tender and cheese is melted.
Air frying creates a slightly crispier top.
Make-Ahead Instructions
The filling can be prepared up to 3 days ahead.
Store in an airtight container in the refrigerator.
The mushrooms can be cleaned and stuffed up to 24 hours ahead.
Keep covered and refrigerated.
Bake just before serving for the best texture.
How to Store Leftovers
Allow mushrooms to cool completely.
Transfer to an airtight container.
Refrigerate for up to 3–4 days.
Reheating in the Oven
Bake at 350°F (175°C) for 10 minutes until warmed through.
Reheating in the Air Fryer
Air fry at 350°F for 3–5 minutes.
Microwave
Heat briefly, though the mushrooms may become softer.
Freezing Instructions
Stuffed mushrooms can be frozen, but the texture may soften slightly.
Freeze before baking for best results.
Place stuffed mushrooms on a tray and freeze until firm.
Transfer to freezer-safe containers.
Freeze for up to 2 months.
Bake from frozen, adding extra cooking time as needed.
Frequently Asked Questions
Are stuffed mushrooms keto-friendly?
Yes. Mushrooms are naturally low in carbohydrates, and this recipe uses a cheese-based filling without breadcrumbs.
Can I use portobello mushrooms?
Yes. Large portobello caps work well for a meal-sized version.
Can I add breadcrumbs?
Traditional breadcrumbs are not keto-friendly, but crushed pork rinds can be used as a low-carb alternative.
Why are my mushrooms watery?
They may have been washed excessively or overcooked.
Can I make these dairy-free?
Yes. Use dairy-free cream cheese and cheese alternatives.
Can I use frozen spinach?
Yes. Thaw and squeeze out all excess moisture before adding.
How many carbs are in stuffed mushrooms?
The exact amount depends on ingredients and portion size, but this cheese-filled version is generally very low in carbohydrates.
Final Thoughts
These Keto Stuffed Mushrooms are proof that low-carb recipes can still be rich, satisfying, and full of flavor.
With tender mushroom caps, creamy garlic cheese filling, Parmesan, mozzarella, and fresh herbs, they make the perfect appetizer, snack, or side dish.
The key is choosing fresh mushrooms, keeping the filling flavorful, and baking until the cheese is golden and bubbly. Whether you are following keto or simply love delicious food, these stuffed mushrooms are a recipe everyone will enjoy.