01 -
Set oven to 177°C. Lightly grease a 23x33 cm baking dish or line it with parchment paper.
02 -
Pat chicken dry. Season both sides with kosher salt and black pepper. Lightly coat each piece with flour, shaking off excess.
03 -
Heat olive oil in a large skillet over medium heat. Brown chicken for 2 minutes per side without fully cooking. Remove and set aside.
04 -
Melt butter in the same skillet over medium-high heat. Add mushrooms, season with salt and pepper, and cook until golden and softened, about 5 minutes.
05 -
Pour sherry wine into skillet, scraping browned bits with a spatula. Simmer for 1 to 2 minutes until slightly reduced.
06 -
Stir cream of mushroom soup into the mushroom and sherry mixture until smooth and heated through.
07 -
Arrange browned chicken pieces evenly in baking dish. Pour mushroom sauce over chicken. Top each piece with one slice of cheese.
08 -
Cover dish with foil and bake for 30 minutes at 177°C.
09 -
Remove foil and broil for 1 to 2 minutes until cheese is bubbly and golden.
10 -
Let rest for 5 minutes. Sprinkle with freshly chopped parsley before serving.