Creamy Baked Chicken and Mushrooms

Details

Ingredients

• 3 skinless, boneless chicken breast halves
• 1 teaspoon kosher salt
• ¼ teaspoon freshly ground black pepper, or more to taste
• 2 tablespoons olive oil
• 1 medium white onion, chopped
• 2 tablespoons chopped fresh parsley
• 1 teaspoon poultry seasoning
• ¼ teaspoon cayenne pepper
• 1 (7 ounce) can whole mushrooms, drained
• 1 (10.5 ounce) can condensed cream of chicken soup
• 1 cup heavy cream
• ¼ cup buttermilk
• 4 slices Swiss cheese