Grilled Portobello Mushroom Steaks (Printable)

Marinated and grilled Portobello mushroom caps with balsamic, garlic, and smoked paprika for a savory plant-based dish.

# What You'll Need:

→ Vegetables

01 - 4 large Portobello mushroom caps, stems removed and wiped clean

→ Marinade

02 - 3 tbsp olive oil
03 - 2 tbsp balsamic vinegar
04 - 2 tbsp soy sauce (or tamari for gluten-free version)
05 - 2 cloves garlic, minced
06 - 1 tbsp fresh rosemary, chopped (or 1 tsp dried rosemary)
07 - 1 tsp smoked paprika
08 - 1/2 tsp black pepper
09 - 1/2 tsp salt

# Directions:

01 - In a small mixing bowl, whisk together the olive oil, balsamic vinegar, soy sauce, minced garlic, chopped rosemary, smoked paprika, black pepper, and salt until well combined.
02 - Arrange the Portobello mushroom caps gill-side up in a large baking dish or place them in a ziplock bag. Pour the marinade evenly over the mushrooms and allow them to soak for at least 15 minutes, or up to 2 hours for more intense flavor, turning them halfway through.
03 - Preheat an outdoor grill or grill pan over medium-high heat. Remove the mushrooms from the marinade, reserving any excess for basting.
04 - Place the mushrooms cap-side down on the hot grill. Cook for 5 to 6 minutes per side, basting occasionally with the reserved marinade, until the mushrooms are tender and deeply browned.
05 - Serve the grilled Portobello steaks hot as a main course, or slice them for use in sandwiches, wraps, or salads.

# Expert Tips:

01 -
  • The marinade penetrates deep into the gills and creates a steak like crust that will make you forget about beef entirely.
  • It comes together in under thirty minutes, which means weeknight dinners feel special without any real effort.
02 -
  • Do not skip wiping the mushrooms clean with a damp cloth because submerging them in water makes them soggy and ruins the texture entirely.
  • If you do not have a grill, roasting at 425 degrees Fahrenheit for twenty minutes while flipping halfway produces nearly identical results with even less attention.
03 -
  • Remove the stems and gently scrape out the gills with a spoon before marinating because this creates more surface area for flavor absorption and prevents excess moisture during cooking.
  • Let the cooked mushrooms rest for two minutes off the heat before slicing so the juices redistribute and every bite stays succulent instead of spilling onto your cutting board.

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