The Best Grilled Portobello Mushroom Burger
Savor the ultimate plant-based delight with The Best Grilled Portobello Mushroom Burger. Perfectly marinated and grilled, these hearty mushroom caps become the star of your summer barbecue or a comforting lunch at home. Each bite is a flavorful explosion of smoky goodness, topped with creamy Swiss cheese, fresh veggies, and buttery avocado. This recipe is not only easy to prepare, taking just 30 minutes, but it’s also packed with nutrients to satisfy both veggie enthusiasts and meat lovers alike. Elevate your outdoor grilling experience with this delicious alternative that’s sure to impress your family and friends.
- Prep Time: 30 minutes
- Cook Time: 15 minutes
- Total Time: 45 minutes
- Yield: Serves 4
- Category: Main
- Method: Grilling
- Cuisine: American
Ingredients
Scale
- 4 portobello mushroom caps
- 2 tbsp balsamic vinegar
- 1 tbsp low sodium soy sauce
- 1 tbsp olive oil
- 1 tbsp chopped rosemary
- 4 slices Swiss cheese (reduced fat)
- 4 whole wheat low-calorie buns
- Fresh spinach, tomatoes, red onion, and avocado for toppings
Instructions
- In a large bowl, whisk together balsamic vinegar, soy sauce, olive oil, chopped rosemary.
- Marinate the portobello caps in the mixture for 20–30 minutes at room temperature.
- Preheat your grill or grill pan over medium heat and brush with oil.
- Grill marinated mushrooms for 5–7 minutes per side while basting with reserved marinade.
- Add Swiss cheese slices on top during the last minute to melt.
- Grill red onion slices for about 1 minute on each side until slightly charred.
- Toast the whole wheat buns on the grill.
- Assemble burgers with spinach, grilled mushrooms, onions, sliced tomatoes, and avocado.
Nutrition
- Serving Size: 1 burger (approx. 250g)
- Calories: 350
- Sugar: 4g
- Sodium: 480mg
- Fat: 14g
- Saturated Fat: 5g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 42g
- Fiber: 8g
- Protein: 14g
- Cholesterol: 15mg