Warm up with this hearty Roasted Cauliflower Soup recipe. Made with Cauliflower, Water, Olive Oil and Salt. Easy step-by-step instructions included.
This Roasted Cauliflower Soup relies on simple, everyday ingredients such as whole large head cauliflower, olive oil, divided, celtic sea salt and whole large onion, diced. It comes together quickly and makes 4 servings, at about 209 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