1Rub the chicken with 1 tbsp Dijon mustard, season well with salt & pepper.
2Add the potatoes, lardons, shallots, garlic & thyme to a large casserole dish. Pour over the stock and sit the chicken on top.
3Roast at 200°C (180°C fan) for 1 hour 15 minutes until golden and cooked through.
4Remove the chicken to rest. Place the casserole on the hob, stir through the wine, remaining Dijon and cream, then simmer until slightly thickened. Stir through parsley.
5Carve the chicken and spoon over the potatoes and mustard cream sauce.