Brian Turner serves up tomato soup with roast squash, chestnuts bacon, and croûtons on Christmas Kitchen with James Martin.

Brian says: “This filling winter soup is pepped up with a few Christmas leftovers, including bacon, Brie and chestnuts.”

The ingredients for the soup are: 1 butternut squash, cut into wedges, seeds removed, 8 tomatoes, skins removed, de-seeded, cut in half, 4 garlic cloves, roughly chopped, small sprig fresh thyme, 3 tbsp rapeseed oil, 1 litre chicken stock, 4 rashers bacon, diced, 8 pre-cooked chestnuts, salt and freshly ground black pepper and 2 tbsp chopped fresh parsley, to garnish.

For the Brie and mustard croûtons: 2 small baguettes, cut in half lengthways, 175g Brie, diced and 1 tsp Dijon mustard.