The Best Grilled Portobello Mushroom Burger

The Best Grilled Portobello Mushroom Burger is a delightful option for any meal, offering a rich and savory flavor that even meat enthusiasts will appreciate. With marinated portobello mushrooms grilled to perfection and layered with melted Swiss cheese, fresh vegetables, and creamy avocado, this burger is not only satisfying but also versatile enough for lunch gatherings, picnics, or casual weeknight dinners. Enjoy a meat-free meal that doesn’t compromise on taste!

Why You’ll Love This Recipe

• Delicious Flavor: The marinated portobello mushrooms bring a deep, umami taste that rivals any meat-based burger.
• Healthy Option: Packed with nutrients from mushrooms and fresh veggies, this burger is a wholesome choice.
• Easy to Prepare: With simple steps and accessible ingredients, it’s perfect for both beginners and seasoned cooks.
• Versatile Meal: Serve it as a main dish or cut into smaller portions for appetizers at parties.
• Customizable Toppings: Add your favorite condiments or veggies to suit your taste preferences.

Tools and Preparation

Before diving into the recipe, gather the necessary tools to ensure a smooth cooking process. Here’s what you’ll need:

Essential Tools and Equipment

• Grill or indoor grill pan
• Mixing bowl
• Whisk
• Basting brush
• Knife

Importance of Each Tool

• Grill or indoor grill pan: This tool provides the ideal cooking surface for achieving those beautiful grill marks and smoky flavor.
• Mixing bowl: A sturdy mixing bowl allows for easy marination of the mushrooms and ensures even coating with the marinade.
• Whisk: Using a whisk helps to thoroughly combine the marinade ingredients for optimal flavor infusion.
• Basting brush: A basting brush is essential for keeping the mushrooms moist during grilling by applying the marinade.

Ingredients

To create The Best Grilled Portobello Mushroom Burger, gather the following ingredients:

For the Burgers

• 4 portobello mushroom caps
• 2 tbsp balsamic vinegar
• 1 tbsp low sodium soy sauce
• 1 tbsp olive oil
• 1 tbsp chopped rosemary
• 1-1/2 tsp steak seasoning like Montreal Steak Grill Mates

For the Toppings

• 4 thick slices red onion
• 4 oz reduced fat Swiss (sliced thin)
• 4 thin slices tomato
• 1/2 avocado (sliced thin)
• Baby spinach
• 4 whole wheat low calorie buns (I used Martin)

How to Make The Best Grilled Portobello Mushroom Burger

Step 1: Prepare the Marinade

In a large bowl, whisk together:
1. Balsamic vinegar
2. Low sodium soy sauce
3. Olive oil
4. Chopped rosemary
5. Montreal steak seasoning

Step 2: Marinate the Mushrooms

1. Place the portobello mushroom caps in the marinade.
2. Toss gently to coat evenly using a spoon.
3. Let stand at room temperature for 20 to 30 minutes, turning occasionally.

Step 3: Preheat the Grill

1. Heat your grill or indoor grill pan over medium heat.
2. Brush the grate with oil or lightly spray it with non-stick cooking spray.

Step 4: Grill the Mushrooms

1. Place marinated mushrooms on the grill, reserving leftover marinade for basting.
2. Grill each side for 5 to 7 minutes until tender, frequently brushing with marinade.

Step 5: Add Cheese

During the last minute of grilling, top each mushroom with sliced Swiss cheese until melted.

Step 6: Grill Onions and Buns

While mushrooms are cooking:
1. Grill red onion slices for about 1 minute on each side until slightly charred.
2. Toast whole wheat buns on the grill until golden brown.

Step 7: Assemble Your Burger

To finish:
1. On each bun bottom, layer baby spinach followed by grilled portobello mushrooms.
2. Top with grilled onions, sliced tomatoes, and avocado before placing on bun tops.

Enjoy your delicious Grilled Portobello Mushroom Burger!

How to Serve The Best Grilled Portobello Mushroom Burger

Serving The Best Grilled Portobello Mushroom Burger can elevate your meal experience. With a few thoughtful additions, you can create a delightful culinary presentation that will impress everyone at the table.

Add Freshness with Greens

• Baby Spinach: Place a handful on the bottom of the bun for added crunch and nutrients.
• Arugula: This peppery green pairs well with the richness of the mushroom and enhances flavor.

Create a Flavorful Sauce

• Garlic Aioli: Spread this creamy sauce on the buns for an extra burst of flavor.
• Avocado Spread: Mash avocado with lime juice for a fresh, creamy topping.

Enhance with Extra Toppings

• Sliced Jalapeños: Add some heat to your burger with fresh or pickled jalapeños.
• Sliced Pickles: Include dill or sweet pickles for a tangy contrast that complements the mushrooms.

How to Perfect The Best Grilled Portobello Mushroom Burger

To make sure your grilled portobello mushroom burger stands out, consider these essential tips for perfection.

• Bold Marinade: Marinate your mushrooms longer for deeper flavor absorption; aim for at least 30 minutes.
• Preheat Your Grill: Ensure that your grill is hot before cooking to achieve those desirable grill marks and prevent sticking.
• Use Thick Slices of Cheese: Opt for thicker cheese slices to ensure they melt perfectly over the mushrooms.
• Don’t Overcook: Grill mushrooms until just tender; they should retain some firmness for the best texture.

Best Side Dishes for The Best Grilled Portobello Mushroom Burger

Pairing side dishes with your grilled portobello mushroom burger can enhance the overall meal. Here are some delicious options to consider.

1. Sweet Potato Fries: Bake or fry sweet potatoes until crispy for a sweet and savory contrast.
2. Coleslaw: A tangy cabbage slaw adds crunch and freshness to balance the richness of the burger.
3. Grilled Vegetables: Seasonal vegetables like zucchini and bell peppers make a colorful and healthy side.
4. Quinoa Salad: A light salad with quinoa, cucumber, and lemon dressing offers a refreshing touch.
5. Chickpea Salad: Combine chickpeas, tomatoes, cucumber, and herbs for a protein-packed side.
6. Baked Beans: Sweet and savory baked beans provide heartiness that complements the burger nicely.

Common Mistakes to Avoid

When making The Best Grilled Portobello Mushroom Burger, it’s easy to overlook some key steps. Here are common mistakes and how to avoid them.

• Skipping the Marinade: Failing to marinate the mushrooms can lead to bland flavors. Always allow the mushrooms to soak in the marinade for at least 20 minutes for maximum taste.

• Overcooking the Mushrooms: Cooking the mushrooms for too long can make them tough and chewy. Grill them just until tender—5 to 7 minutes per side is ideal.

• Neglecting Toppings: Forgetting toppings like spinach, tomato, or avocado can result in a less satisfying burger. Be sure to add a variety of fresh toppings for added flavor and nutrition.

• Using Regular Buns: Regular buns can be high in calories and carbs. Opt for whole wheat or low-calorie buns to make your burger healthier without sacrificing taste.

• Not Preheating the Grill: Trying to grill on a cold surface can lead to uneven cooking. Always preheat your grill or grill pan before adding the mushrooms.

• Forgetting About Cheese Melting: Not adding cheese at the right time can result in unmelted cheese. Place it on top of the mushrooms during the last minute of grilling for perfect melting.

Storage & Reheating Instructions

Refrigerator Storage

• Store leftovers in an airtight container.
• They will keep well in the fridge for up to 3 days.

Freezing The Best Grilled Portobello Mushroom Burger

• If you want to freeze, wrap each burger tightly in plastic wrap or aluminum foil.
• They can be frozen for up to 2 months for best quality.

Reheating The Best Grilled Portobello Mushroom Burger

• Oven: Preheat your oven to 350°F (175°C) and heat wrapped burgers for about 10-15 minutes.
• Microwave: Use medium power and heat for about 1-2 minutes, checking frequently.
• Stovetop: Heat on medium-low heat in a skillet until warmed through, about 5 minutes per side.

Frequently Asked Questions

Here are some common questions about making The Best Grilled Portobello Mushroom Burger.

How do I choose portobello mushrooms?

Select portobello mushrooms that are firm, plump, and have a smooth surface. Avoid any that look shriveled or have dark spots.

Can I use different toppings?

Absolutely! Feel free to customize with your favorite toppings like grilled peppers, olives, or different types of cheese.

What sides go well with The Best Grilled Portobello Mushroom Burger?

Consider serving with sweet potato fries, a fresh salad, or coleslaw for a complete meal experience.

Is this recipe suitable for meal prep?

Yes! These burgers are perfect for meal prep as they reheat nicely and maintain their flavor over time.

Can I make this recipe vegan?

Yes! Simply omit the cheese or use a plant-based cheese alternative and ensure your buns are vegan-friendly.

Final Thoughts

The Best Grilled Portobello Mushroom Burger is not only delicious but also versatile. You can easily customize it with various toppings to suit your taste preferences. Give it a try today and discover how satisfying plant-based burgers can be!