BBQ Portobello Mushroom Burgers – A Delicious Vegan Delight
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“Discover how to make the best BBQ Portobello Mushroom Burgers with our easy-to-follow recipe. Perfect for vegans and meat-lovers alike, these juicy, smoky burgers are the ultimate grill favorite!”
BBQ is not just about meat; it’s about flavor, tradition, and the art of grilling. At 79th St BBQ, we believe that everyone, including vegans, should enjoy the joy of a perfectly grilled meal. Enter the BBQ Portobello Mushroom Burger – a plant-based alternative that packs a punch of flavor while maintaining a meaty texture that satisfies both vegans and meat lovers. Created by BBQ aficionado JL Surjan, this recipe has become a fan favorite, showcasing how versatile grilling can be. Whether you’re looking for a healthier alternative or just something new to throw on the grill, these BBQ Portobello Mushroom Burgers are sure to impress.

Why You’ll Love BBQ Portobello Mushroom Burgers
A Healthy, Vegan Alternative to Meat
BBQ Portobello Mushroom Burgers are not only delicious but also a healthier choice compared to traditional beef burgers. Portobello mushrooms are low in calories and fat, yet they offer a substantial, “meaty” texture that is both satisfying and nutritious. These mushrooms are rich in fiber, vitamins, and minerals, making them an excellent source of nutrition for anyone looking to maintain a healthy diet.
Packed with Flavor and Texture
When grilled, Portobello mushrooms absorb the smoky flavors of the BBQ while maintaining a juicy, tender texture. The marinade enhances the mushrooms’ natural umami, adding layers of flavor that make each bite incredibly satisfying. Combined with your favorite toppings, these burgers offer a delicious, multi-dimensional flavor experience.
Quick and Easy to Prepare
One of the best things about BBQ Portobello Mushroom Burgers is how easy they are to make. With just a few simple ingredients and minimal prep time, you can have a tasty, vegan-friendly meal ready to go. The mushrooms require a short marinade period, and grilling them is straightforward, making this recipe perfect for both novice cooks and seasoned grill masters alike.

Ingredients You’ll Need
To create the perfect BBQ Portobello Mushroom Burger, you’ll need a few key ingredients. Let’s break them down:
Portobello Mushrooms – The Star Ingredient
Portobello mushrooms are the main component of these burgers. Their large size and meaty texture make them an ideal substitute for traditional beef patties. When selecting your mushrooms, look for ones that are firm and have a smooth, clean cap. This ensures they will hold up well on the grill and provide the perfect base for your burger.

Marinade Ingredients
The marinade is what gives these mushrooms their rich, smoky flavor. Here are the key ingredients you’ll need:

Olive Oil
Olive oil is a staple in marinades, providing a base that helps the other ingredients adhere to the mushrooms. It also adds a subtle richness that complements the mushrooms’ natural flavors.
Balsamic Vinegar
Balsamic vinegar adds a tangy sweetness to the marinade, balancing the earthy flavor of the mushrooms. It also helps to tenderize the mushrooms, allowing them to absorb more flavor.
Garlic Powder and Onion Powder
Garlic and onion powders are essential for adding depth to the marinade. They provide a savory backdrop that enhances the overall taste of the burger without overpowering the other flavors.
Salt and Pepper
A simple seasoning of salt and pepper brings out the natural flavors of the mushrooms and enhances the other marinade ingredients. Use freshly ground pepper for the best results.
Suggested Toppings
Toppings can make or break a burger. Here are some suggestions that pair well with BBQ Portobello Mushroom Burgers:
Lettuce, Tomato, and Red Onion
The classic trio of lettuce, tomato, and red onion adds freshness, crunch, and a hint of sweetness to the burger. These toppings complement the savory flavors of the grilled mushroom perfectly.
Vegan Cheese Options
For those who love a cheesy burger, there are plenty of vegan cheese options available that melt well and add a creamy texture. Look for brands that offer cheddar, mozzarella, or pepper jack-style slices.

Avocado and Pickles
Avocado adds a rich, creamy element to the burger, while pickles provide a tangy contrast. Together, they create a delightful balance of flavors and textures.
Step-by-Step Guide to Making BBQ Portobello Mushroom Burgers
Now that you have all your ingredients ready, let’s dive into the step-by-step process of making these delicious burgers.
Preparing the Mushrooms
To ensure your BBQ Portobello Mushroom Burgers turn out perfectly, it’s important to prepare the mushrooms correctly.
Cleaning and Removing Stems
Start by gently wiping the mushrooms with a damp cloth to remove any dirt. Avoid washing them under running water, as mushrooms can absorb moisture and become soggy. Next, remove the stems by gently twisting them off. You can save the stems for another recipe or discard them.
Marinating the Mushrooms
Place the cleaned mushrooms in a shallow dish. In a small bowl, whisk together the olive oil, balsamic vinegar, garlic powder, onion powder, salt, and pepper. Pour the marinade over the mushrooms, making sure they are evenly coated. Allow the mushrooms to marinate for at least 30 minutes, or up to 2 hours for more flavor.

Grilling the Perfect Mushroom Patty
Grilling is where the magic happens. Follow these steps to achieve perfectly grilled mushrooms every time.
Grilling Techniques for Best Results
Preheat your grill to medium-high heat. Place the marinated mushrooms on the grill, gill side down, and cook for about 4-5 minutes. Flip the mushrooms and grill for another 4-5 minutes, or until they are tender and have nice grill marks. Avoid overcooking, as this can cause the mushrooms to become too soft.

Tips to Avoid Soggy Mushrooms
To prevent soggy mushrooms, make sure your grill is hot before adding the mushrooms. This helps to sear the outside, locking in moisture and flavor. Additionally, avoid over-marinating the mushrooms, as this can cause them to absorb too much liquid.
Assembling Your Burger
Once your mushrooms are grilled to perfection, it’s time to assemble your burger.
Best Bun Choices
Opt for sturdy buns that can hold up to the juicy mushroom and toppings. Brioche or whole wheat buns are excellent choices, but you can also use gluten-free buns if preferred.
Creative Toppings Combinations
Experiment with different toppings to find your perfect combination. Some great ideas include caramelized onions, sautéed mushrooms, arugula, vegan aioli, or a spicy BBQ sauce.
Tips and Tricks for the Best BBQ Portobello Mushroom Burgers
To take your BBQ Portobello Mushroom Burgers to the next level, here are some expert tips and tricks.
How to Keep Your Mushrooms Juicy and Flavorful
To maintain juiciness, avoid pressing down on the mushrooms while grilling. This can cause the juices to escape, resulting in a dry burger. Also, don’t skimp on the marinade – it’s what infuses the mushrooms with flavor.
Perfect Pairings – What to Serve with Your Burgers
Pair your BBQ Portobello Mushroom Burgers with some delicious sides to complete your meal.
Grilled Vegetables
Grilled vegetables, such as zucchini, bell peppers, and asparagus, make a colorful and healthy side dish that complements the burgers perfectly.
Homemade Fries
Crispy homemade fries are a classic side that pairs well with any burger. Try making them with sweet potatoes for a twist on the traditional.
Refreshing Summer Salads
A light, refreshing salad, such as a cucumber and tomato salad or a mixed greens salad with a tangy vinaigrette, is a great way to balance the richness of the burger.

Frequently Asked Questions
More Delicious Vegan Recipes to Try
Expand your vegan BBQ repertoire with these delicious recipes:
Grilled Vegetable Skewers
A medley of grilled vegetables skewered and basted with a zesty marinade – a perfect side or main dish.
Vegan Black Bean Burgers
These hearty, protein-packed black bean burgers are a great alternative for those looking for a different kind of plant-based patty.
Spicy Chickpea Salad Wraps
A refreshing, crunchy wrap filled with a spicy chickpea salad that’s perfect for a light lunch or dinner.
Conclusion
Why BBQ Portobello Mushroom Burgers Are a Must-Try
BBQ Portobello Mushroom Burgers are a delicious, healthy, and easy-to-make alternative to traditional burgers. Whether you’re a vegan or a meat lover looking for something different, these burgers offer a satisfying, flavorful experience that’s sure to please everyone at your next BBQ. At 79th St BBQ, we pride ourselves on providing recipes that bring out the best in BBQ, and this vegan delight is no exception.
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Written by José Luis Villalobos — The Pitmaster Behind the Fire. Born in Valparaíso, Chile, raised on the asado traditions of the Chilean campo, and now based in Sacramento, California. Over 20 years of live-fire cooking across two continents — from Chilean parrillas to Texas-style offset smokers. This site is where those two worlds meet. Read more →
