Sausage-and-Cheddar Stuffed Mushrooms | America's Test Kitchen

Ingredients

• 24 white mushrooms (1½ to 2 inches in diameter)
• 2 tablespoons extra-virgin olive oil
• 2 tablespoons balsamic vinegar
• 1 1/4 teaspoons table salt, divided
• 1 teaspoon pepper, divided
• 12 ounces hot Italian sausage, casings removed
• 3 ounces extra-sharp cheddar cheese, shredded (3⁄4 cup)
• 4 scallions, sliced thin
• 1/4 cup panko bread crumbs
• 3 tablespoons white wine
• 1 tablespoon chopped fresh thyme
• 3 garlic cloves, minced
• 1/4 cup grated Parmesan cheese