Stuffed Portobello Mushroom Burgers

Highlighted under: Comfort Food Recipes

Enjoy a hearty and flavorful vegetarian alternative with these Stuffed Portobello Mushroom Burgers. Perfectly grilled mushrooms filled with delicious ingredients make for a satisfying meal.

Emily Carter

Created by

Emily Carter

Last updated on 2026-01-04T21:15:28.609Z

These Stuffed Portobello Mushroom Burgers are not only a delicious alternative to traditional beef burgers but also a fantastic way to incorporate more vegetables into your diet. The meaty texture of portobello mushrooms, combined with a savory stuffing, creates a satisfying dish that everyone will love.

Why You Will Love This Recipe

  • Rich umami flavor from grilled portobello mushrooms
  • Customizable stuffing options to suit your taste
  • A hearty meal that’s still light and healthy
  • Perfect for grilling season or a quick weeknight dinner

The Benefits of Portobello Mushrooms

Portobello mushrooms are not only delicious but also incredibly nutritious. They are low in calories and high in essential nutrients, making them an excellent choice for anyone looking to maintain a healthy diet. These large caps are a fantastic source of fiber, which aids in digestion and helps you feel full longer. Additionally, they are rich in antioxidants, which can help protect your body from oxidative stress.

Beyond their health benefits, portobello mushrooms offer a meaty texture and rich umami flavor that makes them an ideal substitute for meat in many dishes. When grilled, they develop a smoky flavor that enhances the overall taste of your meal. This makes them a favorite in vegetarian and vegan cooking, as they can satisfy even the heartiest of appetites.

Customizing Your Stuffed Burgers

One of the best aspects of these Stuffed Portobello Mushroom Burgers is their versatility. You can easily customize the stuffing to suit your personal tastes or dietary preferences. For a spicier kick, consider adding diced jalapeños or a sprinkle of red pepper flakes to the filling. If you're a fan of Mediterranean flavors, try incorporating olives or artichokes into the mix.

For those looking to make the dish dairy-free, simply omit the feta cheese or replace it with a dairy-free alternative. You can also swap out the quinoa for other grains like farro or brown rice. The options are endless, allowing you to create a burger that’s uniquely yours!

Serving Suggestions and Pairings

These Stuffed Portobello Mushroom Burgers are perfect for a summer barbecue or a quick weeknight dinner. Serve them alongside a fresh garden salad or grilled vegetables for a complete meal. For a more substantial option, you might consider adding a side of sweet potato fries or a creamy coleslaw to balance the flavors and textures.

To elevate your burger experience, consider pairing it with a light, refreshing beverage such as iced tea or a crisp white wine. If you want to keep it non-alcoholic, a homemade lemonade or sparkling water infused with fresh herbs can be a delightful complement. Enjoying these burgers with friends and family will surely make for a memorable dining experience!

Ingredients

For the Burgers

  • 4 large portobello mushroom caps
  • 1 cup cooked quinoa
  • 1 cup spinach, chopped
  • 1/2 cup feta cheese, crumbled
  • 1/4 cup sun-dried tomatoes, chopped
  • 2 cloves garlic, minced
  • 1 tablespoon olive oil
  • Salt and pepper to taste
  • 4 whole grain burger buns
  • Fresh basil leaves for garnish

Feel free to substitute any of the ingredients based on your preferences!

Instructions

Prepare the Mushrooms

Preheat your grill or grill pan over medium heat. Clean the portobello mushrooms with a damp cloth and remove the stems.

Make the Filling

In a bowl, combine cooked quinoa, chopped spinach, feta cheese, sun-dried tomatoes, minced garlic, olive oil, salt, and pepper. Mix well until all ingredients are combined.

Stuff the Mushrooms

Spoon the filling into each portobello cap, pressing down gently to pack the filling.

Grill the Burgers

Place the stuffed mushrooms on the grill and cook for about 5-7 minutes on each side or until they are tender and the filling is heated through.

Serve

Toast the burger buns lightly on the grill. Serve the stuffed mushrooms on the buns, garnished with fresh basil leaves.

Enjoy your delicious and healthy Stuffed Portobello Mushroom Burgers!

Tips for Perfectly Grilled Mushrooms

To achieve perfectly grilled portobello mushrooms, ensure your grill is preheated to medium heat before placing them on the grates. This helps to create those beautiful grill marks and enhances the flavor of the mushrooms. Additionally, avoid overcrowding the grill; give each mushroom enough space to cook evenly.

Another key tip is to marinate the mushrooms before grilling. A simple mixture of olive oil, balsamic vinegar, and your favorite herbs can infuse the mushrooms with added flavor and moisture. Just remember to let them marinate for at least 30 minutes for the best results.

Storage and Reheating

If you have leftover stuffed mushrooms, store them in an airtight container in the refrigerator for up to three days. To reheat, simply place them in a preheated oven at 350°F (175°C) for about 10-15 minutes, or until heated through. This method helps maintain their texture and flavor.

For meal prep enthusiasts, these stuffed mushrooms can also be made ahead of time and frozen. Just make sure to wrap them tightly in plastic wrap and then place them in a freezer-safe bag. When you're ready to enjoy them, thaw in the refrigerator overnight and follow the reheating instructions for a quick and delicious meal.

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Questions About Recipes

→ Can I make these burgers ahead of time?

Yes, you can prepare the filling a day in advance and stuff the mushrooms just before grilling.

→ What can I serve with these burgers?

These burgers pair well with a fresh salad, sweet potato fries, or grilled vegetables.

→ Can I freeze the stuffed mushrooms?

Yes, you can freeze the stuffed mushrooms before grilling. Just thaw and grill when ready to serve.

→ Are these burgers gluten-free?

To make them gluten-free, use gluten-free buns and ensure your quinoa is certified gluten-free.

Stuffed Portobello Mushroom Burgers

Enjoy a hearty and flavorful vegetarian alternative with these Stuffed Portobello Mushroom Burgers. Perfectly grilled mushrooms filled with delicious ingredients make for a satisfying meal.

Prep Time15 minutes
Cooking Duration10 minutes
Overall Time25 minutes

Created by: Emily Carter

Recipe Type: Comfort Food Recipes

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

For the Burgers

  1. 4 large portobello mushroom caps
  2. 1 cup cooked quinoa
  3. 1 cup spinach, chopped
  4. 1/2 cup feta cheese, crumbled
  5. 1/4 cup sun-dried tomatoes, chopped
  6. 2 cloves garlic, minced
  7. 1 tablespoon olive oil
  8. Salt and pepper to taste
  9. 4 whole grain burger buns
  10. Fresh basil leaves for garnish

How-To Steps

Step 01

Preheat your grill or grill pan over medium heat. Clean the portobello mushrooms with a damp cloth and remove the stems.

Step 02

In a bowl, combine cooked quinoa, chopped spinach, feta cheese, sun-dried tomatoes, minced garlic, olive oil, salt, and pepper. Mix well until all ingredients are combined.

Step 03

Spoon the filling into each portobello cap, pressing down gently to pack the filling.

Step 04

Place the stuffed mushrooms on the grill and cook for about 5-7 minutes on each side or until they are tender and the filling is heated through.

Step 05

Toast the burger buns lightly on the grill. Serve the stuffed mushrooms on the buns, garnished with fresh basil leaves.

Nutritional Breakdown (Per Serving)

  • Calories: 300 kcal
  • Total Fat: 15g
  • Saturated Fat: 5g
  • Cholesterol: 20mg
  • Sodium: 400mg
  • Total Carbohydrates: 30g
  • Dietary Fiber: 5g
  • Sugars: 3g
  • Protein: 10g