By Katy Holder
For this velvety soup, you can use any white beans that are roughly the same size as cannellini beans, such as haricot or great northern – just don’t forget to soak them overnight. Celeriac makes a great winter-time substitute for the cauliflower.
Heat 1 tablespoon of the oil in a large, heavy-based saucepan over medium–high heat and cook the garlic, onion and leek for 5 minutes or until lightly golden. Add the beans and 375 ml (