The Best Grilled Portobello Mushroom Burger
Indulge in the ultimate grilling experience with The Best Grilled Portobello Mushroom Burger. This hearty and flavorful burger features marinated portobello mushrooms grilled to perfection, topped with creamy Swiss cheese, fresh veggies, and served on whole wheat buns. Ideal for summer barbecues, weeknight dinners, or a satisfying lunch, this recipe caters to both vegetarians and meat lovers alike. Packed with nutrients yet lower in calories compared to traditional beef burgers, it’s a delicious way to enjoy a healthy meal. Customize your toppings and enjoy the rich flavors that will leave you feeling full and satisfied.
- Prep Time: 30 minutes
- Cook Time: 15 minutes
- Total Time: 45 minutes
- Yield: Serves 4
- Category: Main
- Method: Grilling
- Cuisine: Vegetarian
Ingredients
Scale
- 4 portobello mushroom caps
- 2 tablespoons balsamic vinegar
- 1 tablespoon low sodium soy sauce
- 1 tablespoon olive oil
- 1 tablespoon chopped rosemary
- 1–1/2 teaspoons steak seasoning like Montreal Steak Grill Mates
- 4 thick slices red onion
- 4 oz reduced fat Swiss cheese (sliced thin)
- 4 thin slices tomato
- 1/2 avocado (sliced thin)
- baby spinach
- 4 whole wheat low calorie buns
Instructions
- In a large bowl, mix balsamic vinegar, soy sauce, olive oil, rosemary, and steak seasoning.
- Marinate portobello caps for 20–30 minutes.
- Preheat grill over medium heat and oil the grate.
- Grill mushrooms for 5–7 minutes on each side, basting frequently with marinade.
- Add Swiss cheese during the last minute of grilling until melted.
- Serve on toasted whole wheat buns with desired toppings.
Nutrition
- Serving Size: 1 serving
- Calories: 335
- Sugar: 3g
- Sodium: 540mg
- Fat: 14g
- Saturated Fat: 6g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 6g
- Protein: 18g
- Cholesterol: 20mg