If you enjoy soup as comfort food, here’s a lovely and easy seasonal recipe, made with an abundance of spring herbs. The base is familiar—potatoes, onions and broth—but the quantity of fresh herbs makes it a completely different experience.

The British chef provides both gram and ounce equivalents. Note that the products called double cream and single cream in the U.K. refer to heavy cream and half-and-half, respectively, in the U.S. We recommend using the half-and-half.