01 -
In a baking dish, whisk together balsamic vinegar, extra virgin olive oil, low sodium soy sauce, minced garlic, onion powder, paprika, ground cumin, smoked paprika, black pepper, and cayenne pepper if using.
02 -
Add portobello mushrooms to the dish and use a brush to coat each mushroom thoroughly with the marinade, ensuring all sides are well covered.
03 -
Let mushrooms marinate for at least 10 to 15 minutes to absorb flavor. Marinating longer will enhance the taste.
04 -
Preheat a grill pan or large non-stick skillet over medium-high heat. Lightly coat the surface with cooking spray.
05 -
Place marinated mushrooms onto the hot grill or skillet and cook each side for approximately 4 to 5 minutes or until deeply golden brown, brushing with remaining marinade while cooking.
06 -
Transfer mushrooms to serving plates and serve immediately with your preferred side dish.