Borlotti bean and chestnut soup
By Matt Tebbutt From Saturday Kitchen Ingredients For the soup 2 tbsp olive oil 1 onion, finely chopped 4 celery sticks, finely chopped 1 carrot, peeled and finely chopped 2 garlic cloves, minced 1 red chilli, finely chopped 1 rosemary sprig 400g tin borlotti beans, drained …