Pour the marinade of choice into a shallow container and arrange the portabella caps, underside down ... or until nicely charred to your liking. To cook in a skillet: Heat a shallow layer of marinade ...

Prep the pan: Preheat oven to 400 degrees F. Line a rimmed baking sheet with foil or parchment paper. Set aside. Prep the ...

Once your grill pan is hot, carefully place your marinated portobello mushroom steaks directly on the hot grill pan, with the smooth part of the mushroom cap facing up first. Cook over medium-high ...