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Savor Autumn Harvest Stuffed Portobello Mushrooms Today

Published: Dec 15, 2025 by Emma Saviani ·

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As I sliced into the generous caps of portobello mushrooms, the earthy aroma enveloped my kitchen, instantly crystalizing my autumn aspirations. These Autumn Harvest Stuffed Portobello Mushrooms are where seasonal ingredients meet simple convenience! Packed with protein-rich quinoa, sweet butternut squash, and the delightful crunch of walnuts, they promise to be both nutritious and satisfying. Not only do they make a stunning centerpiece for any dinner table, but they’re also a breeze to prepare, making them a perfect weeknight option. With just under an hour from start to finish, you can serve a dish that feels special without the stress. Curiosity piqued? Let’s dive into the recipe that will elevate your fall feasts!

Autumn Harvest Stuffed Portobello Mushrooms

Why Are Stuffed Mushrooms So Irresistible?

Satisfying, the hearty filling of quinoa and squash offers a comforting meal, perfect for chilly evenings. Nutritious, packed with vitamins, proteins, and healthy fats, you can indulge guilt-free. Visually stunning, these mushrooms make a beautiful centerpiece for any gathering. Quick prep time means you can impress guests or family with minimal fuss! For even tastier side dishes, consider serving them alongside a fresh salad from our seasonal recipes page. Dive into culinary delight with these Autumn Harvest Stuffed Portobello Mushrooms!

Autumn Harvest Stuffed Portobello Mushrooms Ingredients

For the Mushrooms
• Large portobello mushrooms – these provide a meaty texture that’s perfect for stuffing.

For the Filling
• Cooked quinoa – a fantastic source of protein that keeps you feeling full and satisfied.
• Butternut squash – adds a subtle sweetness and a beautiful golden hue to the dish.
• Dried cranberries – they bring a burst of sweetness and color that compliments the savory elements.
• Chopped walnuts – these add a delightful crunch and are rich in healthy fats.
• Finely chopped onion – provides a flavor base that enhances the overall taste of the filling.
• Minced garlic – adds aromatic depth and pairs beautifully with the other ingredients.
• Dried sage – gives an earthy and warm flavor that highlights the autumn vibes.
• Dried thyme – complements the sage and adds complexity to the dish.
• Salt – enhances the flavors of all the ingredients!
• Black pepper – adds a hint of warmth and zest to the filling.
• Olive oil – used for sautéing to infuse flavors and keep the filling moist.
• Crumbled feta cheese (optional) – a savory addition that melts into the filling for extra creaminess.

For Garnish
• Fresh parsley – brightens up the dish and adds a pop of color for presentation.

Step‑by‑Step Instructions for Autumn Harvest Stuffed Portobello Mushrooms

Step 1: Preheat the Oven
Begin by preheating your oven to 400°F (200°C). This ensures a perfectly baked outcome for your Autumn Harvest Stuffed Portobello Mushrooms. While your oven heats up, prep the mushrooms by carefully removing the stems and cleaning the caps with a damp cloth, letting their rich, earthy color shine.

Step 2: Cook the Butternut Squash
In a medium pot, bring water to a boil, then add the peeled and cubed butternut squash. Allow it to cook for about 10 minutes, or until the cubes are tender when pierced with a fork. Once done, drain and set the squash aside, capturing all that autumnal sweetness for your stuffing.

Step 3: Sauté the Aromatics
In a large skillet, heat 1 tablespoon of olive oil over medium heat. Add the finely chopped onion and sauté for 3–4 minutes until it turns translucent and fragrant. Next, introduce minced garlic, dried sage, dried thyme, salt, and black pepper. Stir them together and cook for another minute, allowing the spices to release their delicious aroma.

Step 4: Combine the Filling
Add the cooked quinoa, tender butternut squash, dried cranberries, and chopped walnuts to the skillet. Mix everything together thoroughly, ensuring each ingredient is evenly combined and heated through. The filling should look vibrant and inviting, embodying the essence of your Autumn Harvest Stuffed Portobello Mushrooms. Remove the skillet from the heat.

Step 5: Prepare the Mushrooms for Stuffing
Take the prepared portobello mushrooms and brush each one generously with the remaining tablespoon of olive oil, enhancing their flavor. Place the mushrooms gill side up on a baking sheet, ready to be filled with the delicious quinoa mixture. This step is vital for ensuring they roast beautifully in the oven.

Step 6: Stuff the Mushrooms
Carefully spoon the warm quinoa filling into each portobello cap, pressing down lightly to pack it in. You'll want to make sure each mushroom is generously filled, creating a hearty and satisfying meal. The vibrant colors should peek through, showcasing the autumn bounty inside your Autumn Harvest Stuffed Portobello Mushrooms.

Step 7: Add the Feta (Optional)
If you choose to use feta cheese, sprinkle the crumbled cheese on top of each stuffed mushroom now. The feta will melt during baking, adding a creamy richness that complements the earthy flavors of the filling. Each mushroom will look enticing, perfect for serving to family or guests.

Step 8: Bake to Perfection
Carefully place the baking sheet in your preheated oven and bake the stuffed mushrooms for 20–25 minutes. You're looking for the mushrooms to become tender and the tops to turn golden brown, filling your kitchen with a heavenly aroma. This step brings out all the rich flavors of your Autumn Harvest Stuffed Portobello Mushrooms.

Step 9: Garnish and Serve
Once baked, remove the mushrooms from the oven and allow them to cool slightly. Before serving, garnish each mushroom with fresh parsley for a burst of color and freshness. Serve warm and watch as everyone enjoys this comforting, seasonal dish that celebrates the vibrant flavors of autumn.

Autumn Harvest Stuffed Portobello Mushrooms

Autumn Harvest Stuffed Portobello Mushrooms Variations

Embrace the spirit of creativity and personalize these stuffed mushrooms to suit your tastes and dietary needs!

  • Gluten-Free: Use gluten-free breadcrumbs or omit them entirely for a lighter stuffing.
  • Cheese Lovers: Swap feta for goat cheese or mozzarella for a creamier filling that melts beautifully.
  • Vegan Delight: Replace feta with nutritional yeast for a cheesy flavor and use plant-based butter to sauté the vegetables.

To add even more depth of flavor, consider sprinkling in some nutritional yeast for a cheesy, nutty essence. Everyone will love this flavorful twist!

  • Spicy Kick: Add red pepper flakes or diced jalapeños to the filling for a delightful heat that complements the sweetness of the squash.
  • Nut-Free Option: Substitute walnuts with sunflower seeds or pumpkin seeds for that irresistible crunch without nuts.

Sunflower seeds will not only add crunch but also bring a lovely nutty flavor, perfect for those with allergies!

  • Herb Infusion: Experiment with fresh herbs like thyme, rosemary, or parsley to brighten the filling and add a fresh taste.

Fresh herbs bring brightness and elevate the dish, making it feel extra special at your table!

  • Add Protein: Mix in cooked ground turkey or lentils for an added protein boost, making these mushrooms even heartier.

These little powerhouses will keep you feeling full longer, making for a satisfying meal!

  • Roasted Veggies: Toss in some roasted red bell peppers or zucchini to the filling for an extra layer of flavor and texture.

Roasting intensifies the flavors beautifully, bringing a delightful twist to your Autumn Harvest Stuffed Portobello Mushrooms.

For more enticing pairings, consider serving a robust side salad from our seasonal recipes that enhances the vibrant fall flavors!

How to Store and Freeze Autumn Harvest Stuffed Portobello Mushrooms

Fridge: Store leftover stuffed mushrooms in an airtight container for up to 3 days. This way, you can enjoy the comforting flavors again without losing quality!

Freezer: If you want to freeze your Autumn Harvest Stuffed Portobello Mushrooms, wrap each mushroom individually in plastic wrap and place in a freezer-safe bag. They should remain good for up to 3 months.

Reheating: To reheat, place the mushrooms in a preheated oven at 350°F (175°C) for about 15–20 minutes until heated through. Enjoy that fresh-from-the-oven taste again!

Expert Tips for Autumn Harvest Stuffed Portobello Mushrooms

  • Mushroom Selection: Use large, firm portobello mushrooms to hold the delicious filling without falling apart. Smaller mushrooms can be used but may require less filling.

  • Perfectly Cooked Squash: Ensure the butternut squash is tender but not mushy before adding it to the filling. Overcooked squash can make the mixture too wet.

  • Flavor Boost: Don’t skip the aromatics! Sautéing the onion and garlic not only enhances the dish's flavor but also builds a fragrant base for your stuffing.

  • Pack it Right: When filling the mushrooms, press the quinoa mixture down gently to maximize the filling in each cap. This ensures plentiful bites full of flavor.

  • Watch Baking Time: Keep an eye on the mushrooms while they bake. Every oven is different, so check them at 20 minutes to prevent overcooking. You want tender mushrooms, not dried out ones.

  • Optional Additions: Feel free to customize your filling! Add spinach, bell peppers, or even cooked sausage for a twist on these Autumn Harvest Stuffed Portobello Mushrooms.

Make Ahead Options

These Autumn Harvest Stuffed Portobello Mushrooms are perfect for meal prep enthusiasts! You can prepare the quinoa filling up to 3 days in advance and store it in an airtight container in the refrigerator. Simply sauté the onions, garlic, spices, and mix everything together; the flavors will meld beautifully as they sit! When you’re ready to cook, brush the mushrooms with olive oil, fill them with the chilled quinoa mixture, and bake as directed. For best results, fill the mushrooms just before baking to ensure they retain their delightful texture—this way, you’ll enjoy a quick, hearty meal that tastes just as delicious as if it were freshly made!

What to Serve with Autumn Harvest Stuffed Portobello Mushrooms

As the vibrant flavors of autumn fill your kitchen, it's time to create the perfect meal around these delectable stuffed mushrooms.

  • Crisp Green Salad: A light mix of arugula, spinach, and cucumber elevates the meal with freshness and crunch, balancing the rich flavors of the mushrooms.
  • Honey Glazed Carrots: These sweet and tender carrots bring a delightful contrast to the savory stuffing, making every bite a celebration of seasonal goodness.
  • Garlic Bread: The buttery, crispy texture offers a comfort food element that pairs beautifully with the earthy mushrooms, perfect for soaking up any delicious juices.
  • Roasted Brussels Sprouts: Their nutty flavor and caramelized edges complement the stuffing effortlessly, while also boosting the autumn vibe of the meal.
  • Creamy Polenta: This velvety side adds a luxurious touch to the table, enhancing the mushrooms’ satisfying heartiness without overpowering the dish.
  • Cranberry Sauce: Serve a side of homemade cranberry sauce for a tart contrast that mirrors the dried cranberries in the stuffing, tying the meal together.
  • Sparkling Apple Cider: A refreshing drink with just the right amount of sweetness to cleanse your palate between bites, making it a perfect companion for your feast.
  • Apple Crisp for Dessert: End on a sweet note with this warm, spiced dessert, where crisp apples mingle with oats and cinnamon, reflecting autumn’s finest offerings.

Autumn Harvest Stuffed Portobello Mushrooms

Autumn Harvest Stuffed Portobello Mushrooms Recipe FAQs

How do I select the best portobello mushrooms?
Absolutely! Look for large, firm portobello mushrooms that are free from dark spots or blemishes. The caps should feel smooth and look fresh; if they're too soft or have dark spots all over, they may be past their prime.

What’s the best way to store leftover stuffed mushrooms?
Store your leftover Autumn Harvest Stuffed Portobello Mushrooms in an airtight container in the refrigerator for up to 3 days. Make sure they are completely cooled before sealing them to keep them fresh and delicious for your next meal!

Can I freeze the stuffed mushrooms?
Very! If you’d like to freeze your Autumn Harvest Stuffed Portobello Mushrooms, wrap each mushroom individually in plastic wrap. Place them in a freezer-safe bag, making sure to remove as much air as possible. They can be frozen for up to 3 months. When you’re ready to enjoy them, simply thaw in the fridge overnight before reheating!

What if my filling is too wet?
If your filling feels too wet before stuffing the mushrooms, you can remedy that! Simply transfer the mixture to a skillet and cook it over low heat for a few minutes, allowing any excess moisture to evaporate. Be sure to stir occasionally. This step will help you achieve that perfect consistency for packing into your portobello caps!

Are there any dietary considerations for this recipe?
Oh yes! If you're accommodating allergies, ensure that your dried cranberries don’t have any added allergens like nuts or gluten. You can also easily make this dish vegan by omitting the feta cheese and using a plant-based alternative. Just be sure to check all ingredient labels!

Autumn Harvest Stuffed Portobello Mushrooms

Savor Autumn Harvest Stuffed Portobello Mushrooms Today

Autumn Harvest Stuffed Portobello Mushrooms are where seasonal ingredients meet simple convenience!
Print Pin Rate
Course: Main Dishes
Cuisine: American
Keyword: Autumn Harvest Stuffed Portobello Mushrooms, butternut squash, fall recipes, quinoa recipes, stuffed mushrooms, Vegetarian Recipes
Prep Time: 15 minutes minutes
Cook Time: 25 minutes minutes
Total Time: 40 minutes minutes
Servings: 4 mushrooms
Calories: 250kcal

Equipment

  • Oven
  • Skillet
  • Pot
  • Baking Sheet

Ingredients

For the Mushrooms

  • 4 large portobello mushrooms

For the Filling

  • 1 cup cooked quinoa
  • 1 cup butternut squash peeled and cubed
  • ½ cup dried cranberries
  • ½ cup chopped walnuts
  • 1 small finely chopped onion
  • 2 cloves minced garlic
  • 1 teaspoon dried sage
  • 1 teaspoon dried thyme
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 2 tablespoons olive oil for sautéing
  • ½ cup crumbled feta cheese optional

For Garnish

  • 2 tablespoons fresh parsley chopped

Instructions

Step‑by‑Step Instructions

  • Preheat your oven to 400°F (200°C). Prepare the mushrooms by removing the stems and cleaning the caps.
  • In a medium pot, bring water to a boil and add the peeled and cubed butternut squash. Cook for about 10 minutes until tender.
  • Heat 1 tablespoon of olive oil in a large skillet over medium heat. Sauté the finely chopped onion for 3–4 minutes until translucent. Add minced garlic, dried sage, dried thyme, salt, and black pepper, cooking for another minute.
  • Add the cooked quinoa, butternut squash, dried cranberries, and chopped walnuts to the skillet and mix thoroughly.
  • Brush each prepared mushroom with the remaining tablespoon of olive oil and place them gill side up on a baking sheet.
  • Spoon the filling into each mushroom cap, pressing down lightly to fill generously.
  • If using feta cheese, sprinkle it on top of each stuffed mushroom.
  • Bake the stuffed mushrooms for 20–25 minutes until tender and the tops are golden brown.
  • Garnish each baked mushroom with fresh parsley before serving.

Notes

Store leftovers in an airtight container for up to 3 days or freeze for up to 3 months. Reheat at 350°F (175°C) for 15–20 minutes.

Nutrition

Serving: 1mushroom | Calories: 250kcal | Carbohydrates: 30g | Protein: 8g | Fat: 12g | Saturated Fat: 2g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 7g | Cholesterol: 10mg | Sodium: 400mg | Potassium: 450mg | Fiber: 5g | Sugar: 4g | Vitamin A: 500IU | Vitamin C: 10mg | Calcium: 100mg | Iron: 2mg

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Ellie Monroe

I’m Ellie, a 54-year-old home cook who believes the best recipes come from the heart. At Heavenly Recipe, I share comforting classics, sweet treats, and simple meals that anyone can make, just like the ones passed down through my family.

More about me

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