Grilled Button Mushrooms | America's Test Kitchen

Ingredients

• 2 pounds white mushrooms, stems trimmed flush with caps
• 2 tablespoons extra-virgin olive oil
• Salt and pepper
• 2 tablespoons unsalted butter, softened
• 2 tablespoons minced fresh parsley
• 1 1/2 tablespoons soy sauce
• 1 tablespoon lemon juice
• 2 teaspoons minced fresh thyme
• 1 garlic clove, minced to paste
• 1 Disposable 13 by 9-inch aluminum roasting pan