Chicken Diane is actually a play on another dish: steak Diane, popular in the U.S. in the 1950s and 60s, which was (obviously) made with beef instead of chicken. But sauce Diane, the common thread ...

First, make the lentil ragu. Heat the oil in a deep ovenproof pan over a medium heat. Add the celery, carrot, onion, garlic and dried herbs to the pan and fry for 5–6 minutes, until the ...