Recipe · Burgers
Grilled Portobello Mushroom Burger

Grilled Portobello Mushroom Burgers offer a delicious vegetarian twist on a classic favorite. These burgers are not only flavorful and satisfying but also a healthier alternative for those who are looking to reduce their meat consumption. Begin by preparing the portobello mushroom caps, which serve as the hearty base of the burger. A marinade of balsamic vinegar, olive oil, garlic powder, and black pepper enhances the natural umami flavor of the mushrooms, making them an ideal meat substitute. The Weber Lumin Standard grill is perfect for this recipe, providing ample space to grill multiple mushroom caps simultaneously. Preheat it to 375°F and grill the marinated mushrooms for about 5 minutes on each side until they are tender and have absorbed the marinade's rich flavors. Once grilled, these portobello caps are ready to be assembled into burgers. Serve them on your choice of hamburger buns, accompanied by classic toppings like lettuce, tomato, and onion for added freshness and crunch. For a complete meal, consider serving these burgers with a side of sweet potato fries or a fresh salad.
Ingredients
- 4 large portobello mushroom caps
- 4 hamburger buns
- 1/4 cup balsamic vinegar
- 2 tbsp olive oil
- 1 tsp garlic powder
- 1/2 tsp black pepper
- Lettuce, tomato, and onion slices for serving
Instructions
- 01
Preheat the grill to 375°F.
- 02
Whisk balsamic vinegar, olive oil, garlic powder, and pepper in a bowl.
- 03
Brush mixture onto both sides of the mushroom caps.
- 04
Place mushrooms on the grill, cooking for 5 minutes per side.
- 05
Assemble burgers on buns with lettuce, tomato, and onion.
Pro Tips
Tips for this cook
- ★Marinate mushrooms for an hour for more intense flavor.
- ★Choose large, firm mushroom caps to hold toppings well.
- ★Toast buns on the grill for added crispness and flavor.
We recommend for this recipe
Weber Lumin Standard Electric Grill
Offers full-size electric grilling, perfect for cooking multiple portobello caps at once.
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