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Cheesy Stuffed Portobello Mushrooms Recipe

If you love comfort food with a healthy twist, then you’re going to absolutely adore this Cheesy Stuffed Portobello Mushrooms Recipe. I promise, once you try these savory mushrooms loaded with melty cheeses, garlic, and fresh veggies, they’ll quickly become a family favorite. They’re perfect as a hearty vegetarian main or a show-stopping side that’s surprisingly easy to whip up. Stick with me—I’ll walk you through every detail so your mushrooms come out perfect every time.

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Why You’ll Love This Recipe

  • Bursting with Flavor: The blend of cheeses, garlic, and veggies creates a rich, savory filling that’s simply irresistible.
  • Hearty Yet Healthy: Portobellos are a great meat substitute, giving you that satisfying texture without heaviness.
  • Simple To Make: You don’t need fancy skills or hard-to-find ingredients—just fresh produce and pantry staples.
  • Versatile & Customizable: It’s easy to swap cheeses or add other veggies for a personal twist.

Ingredients You’ll Need

I always find that choosing fresh, quality ingredients is key to making this Cheesy Stuffed Portobello Mushrooms Recipe shine. The mushrooms act as a perfect edible bowl, while the cheesy, garlicky filling brings everything together deliciously.

  • Portobello Mushrooms: Large caps are best—they hold tons of stuffing and have a meaty texture you’ll love.
  • Olive Oil: Divided use helps with sautéing veggies and browning the mushroom edges.
  • Spinach: Adds a fresh, slightly earthy flavor that pairs beautifully with the cheese.
  • Red Bell Pepper: Offers sweetness and crunch—dice finely for even distribution.
  • Red Onion: Gives a mild bite and depth to the filling.
  • Italian Seasoning & Red Pepper Flakes: They add that classic herby warmth with just a hint of heat.
  • Salt, Black Pepper, Paprika: Season wisely to balance flavors perfectly.
  • Garlic Cloves: Minced fresh garlic is a must for that punch of aroma and taste.
  • Parmesan Cheese: Imparts nuttiness and saltiness that lifts the whole dish.
  • Cream Cheese: Softens the mix and adds creamy richness.
  • Sour Cream: Brings a little tang that cuts through the cheese.
  • Diced Tomatoes: For juicy bursts of freshness inside the filling.
  • Breadcrumbs: They help bind the filling so it’s hearty but not mushy.
  • Fresh Parsley: Adds a pop of color and herbaceous brightness.
  • Mozzarella Cheese: The ultimate melty topping for that golden crust.
  • Optional Garnishes: More fresh herbs or diced bell peppers brighten the final look and taste.
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love trying out different twists with this Cheesy Stuffed Portobello Mushrooms Recipe—feel free to customize based on what you have on hand or your dietary preferences. Cooking is all about making a recipe your own!

  • Swap Cheeses: I’ve made this with feta for a tangier bite or goat cheese for creaminess—both are fantastic alternatives.
  • Add Protein: Sometimes I mix in cooked sausage or crumbled tempeh to bulk it up for a more filling meal.
  • Dairy-Free Version: Use vegan cream cheese and skip the parmesan, or try nutritional yeast for cheesiness.
  • Extra Veggies: Mushrooms and zucchini or kale work well if you want to sneak in more greens.

How to Make Cheesy Stuffed Portobello Mushrooms Recipe

Step 1: Prep Your Mushrooms Like a Pro

Start by preheating your oven to 400°F. Then, gently wipe those portobello caps clean with a damp cloth or paper towel—no rinsing under water, you don’t want soggy mushrooms! Next, carefully twist off the stems and discard them. Using a spoon, scrape out the dark gills inside the cap; this gives you more room for that cheesy stuffing. Place your cleaned mushrooms on a parchment-lined sheet pan and set them aside. This simple prep step makes a world of difference for tender, beautiful mushrooms.

Step 2: Sauté Your Veggies to Perfection

Heat 1 tablespoon of olive oil in a large sauté pan over medium-high heat. Toss in the spinach, diced red bell pepper, and red onion, then sprinkle with Italian seasoning, red pepper flakes, salt, pepper, and paprika. I usually stir frequently for about 5 minutes until the spinach wilts down and the veggies soften just right. In the last 30 seconds, add the minced garlic so it doesn’t burn but infuses the mixture with aromatic goodness.

Step 3: Mix in Your Cheeses and Binders

Once your veggies are softened and fragrant, turn the heat to low and add parmesan cheese, softened cream cheese, sour cream, diced tomatoes, breadcrumbs, and freshly chopped parsley (reserve a bit for garnish). Stir everything together so it’s creamy, cheesy, and evenly combined—this is the heart of your stuffing. A couple of minutes on low heat will warm it up and meld all those flavors beautifully.

Step 4: Stuff, Top, and Bake

Using a spoon, generously fill each mushroom cap with that luscious mixture. Don’t be shy—it should mound slightly! Then, sprinkle shredded mozzarella evenly on top to get that golden bubbly finish. Pop the pan in the oven on the middle rack and bake for 17 minutes. During this time, the mushrooms will soften, and the cheese will start to melt into a perfect crust.

Step 5: Oil and Broil for Finish

After the initial bake, pull the pan out and brush the mushroom edges with the remaining tablespoon of olive oil for a delicious sheen and to keep them moist. Return to the oven for 5 more minutes. Finally, switch your oven to broil high and broil the mushrooms for 1-2 minutes—watch closely here! You want the tops to turn beautifully golden brown without burning. Once done, garnish with the reserved fresh parsley and some diced red bell peppers for a fresh crunch. Serve them warm and get ready to swoon!

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Pro Tips for Making Cheesy Stuffed Portobello Mushrooms Recipe

  • Clean Without Soaking: I learned early on that wiping mushrooms prevents sogginess—washing under water makes them mushy!
  • Don’t Skip Scraping the Gills: Removing those dark lines means more stuffing space and better texture.
  • Watch the Broil Closely: The difference between a golden top and burnt cheese is seconds, so stay nearby.
  • Use Fresh Ingredients: Fresh herbs and veggies make a noticeable difference in flavor, so I always recommend fresh over dried when possible.

How to Serve Cheesy Stuffed Portobello Mushrooms Recipe

The image shows a large dark brown mushroom cap as the base layer, with deep wrinkles and a rough texture. The second layer consists of a thick, creamy, melted cheese mixture that fills the mushroom cavity, showing golden brown spots where it is baked. Scattered on top are small pieces of bright red tomatoes and fresh green parsley leaves as a garnish, adding color contrast. The dish is set on crinkled light brown parchment paper over a white marbled surface, with more stuffed mushrooms blurred in the background. photo taken with an iphone --ar 4:5 --v 7

Garnishes

I love finishing these stuffed mushrooms with fresh parsley because it adds a bright, vibrant note that balances all the richness. Sometimes I’ll sprinkle a bit of chili flakes on top for a subtle kick or add extra diced red peppers for a pop of color and crunch. A little drizzle of balsamic glaze can be lovely, too, if you want to get fancy.

Side Dishes

To keep things light and balanced, I usually serve these cheesy stuffed mushrooms with a simple green salad or roasted veggies. Garlic mashed potatoes or a wild rice pilaf work perfectly if you want to bulk up the meal. On warmer evenings, I love pairing them with a chilled quinoa and cucumber salad for refreshing contrast.

Creative Ways to Present

Once, for a dinner party, I served these mushrooms atop a bed of creamy polenta and garnished with microgreens and edible flowers—such a showstopper! Another time, I halved smaller mushrooms and arranged them on a wooden board with assorted cheeses and charcuterie for a festive appetizer platter. It’s a versatile dish that looks as gorgeous as it tastes.

Make Ahead and Storage

Storing Leftovers

I store leftover stuffed mushrooms in an airtight container in the fridge, and they usually keep well for up to 3 days. When reheating, I make sure to cover them with foil to prevent drying out—microwaving works fine in a pinch, but the oven gives better texture.

Freezing

I’ve frozen this Cheesy Stuffed Portobello Mushrooms Recipe a couple of times with decent results. Just wrap each stuffed mushroom tightly in plastic wrap, then place them in a freezer-safe container. To reheat, thaw overnight in the fridge and warm them gently in the oven to bring back that fresh-baked flavor and melty cheese.

Reheating

The best way I’ve found to reheat these mushrooms so they stay tender and cheesy is in a 350°F oven covered with foil for about 15 minutes. Removing the foil in the last 5 minutes helps crisp up the top again. Avoid microwaving if you want to keep the texture and flavor top-notch.

FAQs

  1. Can I make this Cheesy Stuffed Portobello Mushrooms Recipe vegan?

    Absolutely! Swap out the cream cheese, parmesan, and mozzarella for vegan alternatives like cashew-based cheese or nutritional yeast. Also, consider using plant-based sour cream. The texture changes slightly but stays delicious and creamy.

  2. How do I prevent the mushrooms from becoming soggy?

    Wiping mushrooms clean instead of rinsing them and scraping out the gills makes a big difference. Also, brushing the caps with olive oil before the final bake helps keep their texture meaty and prevents sogginess.

  3. Can I prepare the stuffing ahead of time?

    You sure can! Prepare the filling up to a day in advance and keep it refrigerated. Just stuff and bake when you’re ready—this is a great time-saver for busy weeknights.

  4. What can I serve with these stuffed mushrooms?

    They pair well with everything from fresh green salads and roasted vegetables to grain-based sides like quinoa or polenta. I especially love them with garlic mashed potatoes for a cozy meal.

Final Thoughts

This Cheesy Stuffed Portobello Mushrooms Recipe has become one of those meals I turn to when I want something comforting but still wholesome. I love how adaptable it is and how everyone seems to go crazy for the cheesy, garlicky filling paired with tender mushrooms. Trust me, once you try it, it’ll be a staple in your dinner rotation too. So grab those big portobellos and give it a go—you truly can’t go wrong here!

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Cheesy Stuffed Portobello Mushrooms Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.6 from 67 reviews
  • Author: Megane
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Category: Main Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These Baked Stuffed Portobello Mushrooms are a hearty and flavorful vegetarian dish, packed with a delicious blend of spinach, bell peppers, garlic, and cheeses. The mushrooms are filled with a creamy and cheesy vegetable mixture, baked to tender perfection, and topped with golden melted mozzarella for a satisfying main course or side dish.


Ingredients

For the Mushrooms

  • 4 large portobello mushrooms (4-6” in diameter)
  • 2 tablespoons olive oil (divided)

For the Stuffing

  • 2 cups of spinach
  • ½ cup red bell pepper (diced)
  • ¼ cup red onion (diced)
  • 1 teaspoon Italian seasoning
  • ½ teaspoon red pepper flakes
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon paprika
  • 4 garlic cloves (minced)
  • 1 cup parmesan cheese
  • 4 ounces cream cheese (softened)
  • ½ cup sour cream
  • ½ cup tomatoes (diced)
  • ¼ cup breadcrumbs
  • ¼ cup fresh parsley (plus 1 tablespoon reserved for garnish)
  • ¼ cup mozzarella cheese (shredded)
  • Fresh parsley or fresh herbs of choice for garnish
  • Diced tomatoes or peppers for garnish


Instructions

  1. Preheat the oven: Set your oven to 400 degrees Fahrenheit to prepare for baking the stuffed mushrooms.
  2. Prepare the mushrooms: Clean the portobello mushrooms by wiping them with a paper towel or damp cloth. Remove the stems by twisting them off and discard. Scrape out the dark gills to create space for the stuffing. Arrange the mushrooms on a parchment-lined 9×13-inch baking sheet and set aside.
  3. Sauté the vegetables: Heat 1 tablespoon of olive oil in a large sauté pan over medium-high heat. Add the spinach, diced red bell pepper, diced red onion, Italian seasoning, red pepper flakes, salt, black pepper, and paprika. Cook for about 5 minutes until the spinach wilts. Add the minced garlic during the last 30 seconds of sautéing to release its flavor.
  4. Mix in the cheeses and other ingredients: To the sautéed vegetable mixture, add parmesan cheese, softened cream cheese, sour cream, diced tomatoes, breadcrumbs, and ¼ cup chopped fresh parsley. Stir continuously for 1 to 2 minutes until everything is fully combined and warmed through.
  5. Stuff the mushrooms: Spoon the cheesy vegetable mixture evenly into each mushroom cap, filling them generously.
  6. Add mozzarella topping: Sprinkle shredded mozzarella cheese evenly over the stuffed mushrooms to create a delicious cheesy crust.
  7. Initial baking: Place the stuffed mushrooms on the middle rack and bake for 17 minutes, or until the mushrooms begin to become tender.
  8. Baste with olive oil and continue baking: Using a pastry brush, apply the remaining 1 tablespoon of olive oil to the outside of each mushroom. Bake for an additional 5 minutes to enhance flavor and moisture.
  9. Broil for finishing touch: Switch the oven to broil on high and broil the mushrooms for 1 to 2 minutes until the tops turn golden brown and bubbly. Watch carefully to prevent burning.
  10. Garnish and serve: Remove from the oven and garnish with fresh parsley or your preferred fresh herbs, along with diced tomatoes or bell peppers. Serve warm for best flavor.

Notes

  • This recipe yields a rich and cheesy vegetarian main course packed with nutritious vegetables and flavorful herbs.
  • You can substitute fresh herbs such as basil or oregano for parsley to vary the flavor.
  • To make this dish gluten-free, use gluten-free breadcrumbs.
  • Ensure mushrooms are cleaned well but avoid soaking them to prevent sogginess.
  • Cooking times may vary slightly depending on your oven; mushrooms should be tender but not mushy.

Nutrition

  • Serving Size: 1 stuffed mushroom
  • Calories: 447 kcal
  • Sugar: 8 g
  • Sodium: 1036 mg
  • Fat: 32 g
  • Saturated Fat: 15 g
  • Unsaturated Fat: 14 g
  • Trans Fat: 0 g
  • Carbohydrates: 26 g
  • Fiber: 6 g
  • Protein: 18 g
  • Cholesterol: 73 mg

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