Low Carb Portobello Pizzas (Easy Keto Mushroom Pizza Recipe)
/These low carb portobello pizzas are the perfect way to satisfy pizza cravings while keeping dinner lighter, gluten free, and keto-friendly. Using large portobello mushroom caps as the pizza crust creates a delicious high protein, low carb pizza alternative that’s packed with flavor and ready in under 30 minutes.
These easy portobello mushroom pizzas are customizable, family-friendly, and perfect for busy weeknights when you want healthy comfort food without the heaviness of traditional pizza. Whether you’re following a low carb lifestyle or simply looking for a healthier pizza recipe, these keto portobello pizzas are guaranteed to become a repeat dinner.
Why You’ll Love These Low Carb Portobello Pizzas
These low carb portobello pizzas are one of the easiest ways to enjoy pizza night while keeping things lighter, gluten free, and keto-friendly. Using large portobello mushroom caps instead of traditional pizza crust creates a satisfying low carb pizza recipe that still delivers all the cheesy, saucy pizza flavor you crave.
Unlike many healthy pizza alternatives that can feel disappointing, these portobello mushroom pizzas are hearty, flavorful, and surprisingly filling. They’re also naturally gluten free, easy to customize, and ready in under 30 minutes, making them perfect for busy weeknights or healthy meal prep lunches.
Why these keto portobello pizzas work so well:
Low carb and keto-friendly
Naturally gluten free
Easy weeknight dinner recipe
Great for meal prep
Helps satisfy pizza cravings without traditional crust
Simple healthy comfort food recipe
Why Portobello Mushrooms Make the Best Low Carb Pizza Crust
Portobello mushrooms are one of the best substitutes for traditional pizza crust because they’re sturdy, flavorful, and naturally low in carbs. Their large size creates the perfect base for a keto mushroom pizza while still holding plenty of toppings and melted cheese.
Another reason portobello mushroom pizza recipes are so popular is because mushrooms develop a rich savory flavor when roasted. They pair perfectly with marinara sauce, mozzarella cheese, and classic pizza toppings.
How to Prevent Soggy Portobello Pizzas
One of the biggest mistakes people make with low carb mushroom pizza recipes is skipping the prep work that prevents watery mushrooms. Since portobello mushrooms naturally release moisture while cooking, properly preparing them is essential for getting the best texture.
The easiest way to avoid soggy portobello pizzas is to pre-bake the mushrooms before adding sauce and toppings. This allows excess moisture to release before the final bake.
Best tips for crispy portobello mushroom pizzas:
Remove mushroom stems
Scrape out the gills if desired
Pat mushrooms dry
Pre-bake mushrooms before adding toppings
Avoid overloading with sauce
Broil briefly at the end for extra crispiness
This step makes a huge difference in texture and is one of the main reasons top-ranking keto pizza recipes perform well.
Ingredients You Need for Portobello Mushroom Pizza
One reason this recipe is so popular is because it uses simple ingredients while still creating bold pizza flavor. You can easily customize these low carb portobello pizzas based on your favorite toppings or dietary preferences.
Basic Ingredients:
Large portobello mushroom caps
Pizza sauce or sugar free marinara
Mozzarella cheese
Minced Garlic
Italian seasoning
Olive oil
Optional Pizza Toppings:
Pepperoni
Sausage
Bell peppers
Mushrooms
Red onion
Jalapeños
Fresh basil
Using sugar free marinara helps keep this recipe keto-friendly and lower carb.
How to Make Low Carb Portobello Pizzas
These easy keto mushroom pizzas come together quickly and require very little prep work. The result is a cheesy, satisfying dinner that feels indulgent without the heaviness of traditional pizza.
Step 1: Prepare the Mushrooms
Preheat the oven and line a baking sheet with parchment paper.
Clean the portobello mushrooms and remove stems. If desired, gently scrape out the dark gills using a spoon.
Brush mushrooms lightly with olive oil.
Step 2: Pre-Bake the Mushroom Caps (optional)
Bake the mushrooms for several minutes before adding toppings.
This helps:
remove excess moisture
improve texture
prevent soggy pizzas
After baking, gently blot any released moisture with paper towels. Pre-baking is the key to restaurant-quality portobello mushroom pizza.
Step 3: Add Pizza Toppings
Top each mushroom cap with:
pizza sauce
mozzarella cheese
toppings of choice
Sprinkle with Italian seasoning for extra flavor.
Step 4: Bake Until Cheesy & Golden
Bake until:
cheese is melted
mushrooms are tender
edges begin to brown
For extra crispiness, broil for 1–2 minutes at the end.
Are Portobello Pizzas Keto Friendly?
Yes — these low carb portobello pizzas are naturally keto-friendly because mushrooms replace traditional flour-based pizza crust. This dramatically lowers the carb content while still creating a satisfying pizza experience.
These pizzas are also:
gluten free
lower calorie
easy to customize
protein-rich depending on toppings
Ways to add even more protein:
Add grilled chicken
Add sausage or ground beef
Mix cottage cheese into ricotta topping
Best Toppings for Portobello Mushroom Pizza
One of the best things about portobello mushroom pizzas is how customizable they are. You can easily make them classic, spicy, veggie-packed, or protein-heavy depending on your preferences.
Popular Low Carb Pizza Toppings:
Pepperoni
Italian sausage
Mushrooms
Spinach
Bell peppers
Bacon
Jalapeños
Fresh basil
High Protein Topping Ideas:
Rotisserie chicken
Ground turkey
Chicken sausage
Storage & Reheating Tips
These low carb mushroom pizzas can easily be stored and reheated for lunches or leftovers.
Refrigerator:
Store in airtight container up to 3 days.
Reheating:
For best texture:
air fryer
oven
toaster oven
Avoid microwaving if possible because mushrooms may soften further.
Reheating in the air fryer helps restore crispier edges.
Frequently Asked Questions
Are portobello pizzas gluten free?
Yes. Portobello mushrooms replace traditional flour crust.
Can I make them dairy free?
Yes. Use dairy free cheese alternatives.
Do I have to remove the mushroom gills?
No, but removing them helps reduce moisture.
Are portobello mushroom pizzas good for meal prep?
Yes, especially for quick lunches and easy dinners.

Easy Low Carb Portobello Mushroom Pizza Recipe
These low carb portobello pizzas are keto-friendly, gluten free, easy to make, and perfect for healthy pizza cravings in under 30 minutes.
Ingredients
Instructions
- Preheat oven to broil and lightly grease a baking sheet
- Remove stems from mushrooms
- In a small bowl, combine the olive oil, garlic and 4 teaspoons of the Italian seasoning together. Brush mixture evenly on the bottoms of each mushroom and place oiled side down onto the baking sheet
- Fill each mushroom cap with 2 tablespoons of the pizza sauce, 1/4 cup mozzarella cheese, and divide the pepperonis evenly
- Broil for about 8 minutes or until the cheese is melted and golden brown
- Sprinkle with remaining Italian seasoning and salt and pepper to taste
Nutrition Facts
Calories
184Fiber
2 gNet carbs
5 gSugar
4 gProtein
9 gFat
14 gCarbs
7 gCholesterol
27 mgSat. Fat
5 gSodium
313 mgThese low carb portobello pizzas are one of the best healthy pizza alternatives for anyone craving comfort food while staying keto-friendly and gluten free. With simple ingredients, bold pizza flavor, and easy customization, this portobello mushroom pizza recipe is perfect for quick dinners, healthy lunches, or satisfying pizza cravings without the carbs.
Whether you’re following a low carb lifestyle or simply trying to eat more balanced meals, these easy keto mushroom pizzas are a recipe you’ll want to make again and again.





