Remove the mushrooms from the dish and reserve the marinade. Lightly season the mushrooms with salt and pepper. Brush the cooking grates clean. Grill the mushrooms, gill side down, over direct medium heat, with the lid closed, until they begin to soften, 4 to 6 minutes. Brush the cap sides of the mushrooms with some of the remaining marinade from the dish. Turn the mushrooms over and continue grilling until tender when pierced with a knife, 4 to 6 minutes more. During the last 30 seconds to 1 minute of grilling time, toast the rolls, cut side down, over direct heat.
Remove the mushrooms from the dish and reserve the marinade. Lightly season the mushrooms with salt and pepper. Brush the cooking grates clean. Grill the mushrooms, gill side down, over direct medium heat, with the lid closed, until they begin to soften, 4 to 6 minutes. Brush the cap sides of the mushrooms with some of the remaining marinade from the dish. Turn the mushrooms over and continue grilling until tender when pierced with a knife, 4 to 6 minutes more. During the last 30 seconds to 1 minute of grilling time, toast the rolls, cut side down, over direct medium heat.
Remove the mushrooms from the dish and reserve the marinade. Lightly season the mushrooms with salt and pepper. Brush the cooking grates clean. Grill the mushrooms, gill side down, over medium heat, with the lid closed, until they begin to soften, 4 to 6 minutes. Brush the cap sides of the mushrooms with some of the remaining marinade from the dish. Turn the mushrooms over and continue grilling until tender when pierced with a knife, 4 to 6 minutes more. During the last 30 seconds to 1 minute of grilling time, toast the rolls, cut side down, over medium heat.
