Season with a pinch of salt. Strain the gravy through a sieve into a serving jug. Keep warm. Just before serving, stir any juices released by the rested chicken in to the gravy. To serve ...

Add the minced garlic, onion and some pepperoncini, as well as just a little bit of the juice from the jar. Place a few slices of butter on top of the chicken, then cover and cook on low for 4 to 6 ...