Season chicken with salt, pepper, and paprika. Sear in oil until browned.
Transfer to a 9×13 baking dish.
Mix mayo, honey, and mustard into a creamy sauce.
Spread sauce over each chicken piece.
Top with cheese, bacon, and optional mushrooms.
Bake at 350°F for 25–30 minutes.
Broil for 1–2 minutes for bubbly cheese.
Serve with extra sauce on the side.
