4 large skinless boneless chicken breasts
4 tablespoons butter, melted, plus more for casserole
Kosher salt and freshly ground black pepper
6 ounces (about 8 slices) Swiss cheese
1 (10 3/4-ounce) can condensed cream of chicken soup
1/4 cup white wine
1 cup herb-flavored stuffing mix, crushed
*If desired use more butter.