Chicken in a creamy mushroom sauce

olive oil

butter

bone-in, skin-on chicken thighs

strips bacon, roughly chopped

medium red onion, thinly sliced

garlic, crushed

white wine

(1 1lb) mixed mushrooms, sliced

dried thyme or Herbes de Provence

chicken stock

corn starch (optional)

heavy (35%) cream

Flaky sea salt and freshly ground black pepper,

fresh thyme leaves (to serve)