Chicken Gloria Casserole

Name: Chicken Gloria Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: European, Mediterranean
Ingredients: 3 boneless skinless chicken breasts, cut in half lengthwise; 1/3 cup all-purpose flour; 3 tablespoons olive oil; 2 tablespoons butter; 8 oz mushrooms, sliced; 1/2 cup sherry wine; 1 (18 oz) can cream of mushroom soup; 6 slices Swiss or Muenster cheese; 2 tablespoons fresh parsley, chopped, for garnish; Kosher salt and freshly ground black pepper, to taste