Warm up with this hearty Roasted Four Onion Soup With Gruyere Croutes recipe. Made with leeks, onions, red onions and garlic. Easy step-by-step instruct…
This Roasted Four Onion Soup With Gruyere Croutes relies on simple, everyday ingredients such as garlic cloves, thinly sliced, olive oil, salt and pepper and dry red wine. It comes together quickly and makes 4 servings, at about 412 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