Sorrel Soup with Pork Ribs

Pork ribs are great for making the sort of hearty soups that are a satisfying meal in themselves, ideally when it’s still cold outside. Sorrel comes into season in spring, which is also a good time to forage for young nettle leaves, and you could certainly add some of those to your soup as well. Traditionally, beef stock would be used in a soup like this, but I prefer a lighter chicken stock — I often make it from the carcass of a roast chicken, which I boil with a halved onion and a few ba