Warm up with this hearty Watercress Soup recipe. Made with potato, unsalted butter, onion and bunches. Easy step-by-step instructions included.
This Watercress Soup relies on simple, everyday ingredients such as unsalted butter, small onion, finely chopped, vegetable or chicken broth and heavy cream. It comes together quickly and makes 4 servings, at about 646 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026