Grilled Portobello Mushroom Steaks Recipe
These Grilled Portobello Mushroom Steaks are a flavorful and satisfying plant-based main dish. Marinated in a tangy blend of balsamic vinegar, tamari, garlic, and smoky seasonings, the large portobello mushrooms are seared to tender perfection on the grill or stovetop skillet, delivering a rich umami taste and meaty texture perfect for vegetarian or vegan meals.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 20 minutes
- Yield: 4 servings 1x
- Category: Main Dish
- Method: Grilling
- Cuisine: American
- Diet: Vegan
Ingredients
Scale
Mushrooms
- 4 large portobello mushrooms, stems removed and dry brushed clean
Marinade
- 3 tablespoons balsamic vinegar
- 3 tablespoons gluten-free tamari (substitute soy sauce if preferred)
- 2 tablespoons grapeseed oil or preferred cooking oil
- 1 tablespoon vegan Worcestershire sauce (can substitute vegan steak sauce)
- 1–2 teaspoons liquid smoke (or substitute 1 teaspoon smoked paprika)
- 1 large garlic clove, minced or crushed
- 1/2 teaspoon granulated onion
- Salt and freshly cracked black pepper, to taste
Instructions
- Prepare the marinade: In a large, shallow baking dish, whisk together balsamic vinegar, tamari, grapeseed oil, vegan Worcestershire sauce, liquid smoke, minced garlic, granulated onion, salt, and pepper. Taste the marinade and adjust seasoning as needed; keep in mind the flavors will intensify during marination.
- Marinate the mushrooms: Place the cleaned portobello mushrooms into the baking dish and liberally brush the marinade on all sides using a brush or spoon. Let the mushrooms sit for 10-20 minutes to absorb the flavors, flipping and reapplying marinade halfway through the marinating time.
- Preheat the cooking surface: Heat a grill, grill pan, or skillet over medium-high heat until fully hot. Brush the surface lightly with oil to prevent sticking.
- Cook the mushrooms: Place the marinated mushrooms on the hot grill or pan. They should sizzle immediately. Avoid moving the mushrooms; gently press them down with a spatula or tongs and sear for 4-5 minutes to develop a nice crust.
- Flip and finish cooking: Turn the mushrooms over carefully, adding additional oil or brushing on more marinade if desired. Grill or cook for another 4-5 minutes until the mushrooms are browned, tender, and flavorful.
- Serve and enjoy: Remove from heat and serve the grilled portobello mushroom steaks warm as a delicious vegetarian entrée or side dish.
Notes
- Make sure to dry brush the mushroom stems clean instead of washing them under water to avoid sogginess.
- The marinade flavors will concentrate as they sit, so season moderately at first.
- You can substitute liquid smoke with smoked paprika for a milder smoky flavor.
- These mushroom steaks can be served on their own, or as a burger substitute or alongside grains and vegetables.
Keywords: grilled portobello mushrooms, vegan mushroom steaks, plant-based main dish, mushroom marinade, vegetarian grilling recipe
