Warm up with this hearty Romaine Lettuce Soup recipe. Made with romaine lettuce, water, chicken broth and milk. Easy step-by-step instructions included.
This Romaine Lettuce Soup relies on simple, everyday ingredients such as water, chicken broth, chopped onion and butter. It comes together quickly and makes 4 servings, at about 389 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