Warm up with this hearty Mexican Red Onion Soup recipe. Made with olive oil, red onion, sugar and oregano. Easy step-by-step instructions included.
This Mexican Red Onion Soup relies on simple, everyday ingredients such as olive oil, large red onion sliced, sugar and oregano dried, crumbled. It comes together quickly and makes 4 servings, at about 242 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