Chestnuts and celeriac bring out the best in each other in this luxurious, velvety smooth low calorie winter soup. Add an easy foam, plus horseradish-truffle toast to make it fancy – even on a wet weekday afternoon. The soup is gluten-free and vegan. Celeriac is not a marketer’s dream. Unlike Tuscan kale, with its glossy-green good looks, …
