Preheat the grill.
Spread out the bacon lardons on a baking tray or sheet of foil and grill until cooked, stirring occasionally.
Meanwhile, blanch the sprouts in a saucepan of boiling salted water for 2 minutes or until just tender. Drain and refresh. Set aside.
Heat a film of oil in a frying pan, add the chestnuts and cook gently to heat and colour on all sides. Add the