Basler Mehlsuppe: toasted flour soup with onions

Name: Basler Mehlsuppe: toasted flour soup with onions
Prep time: 20 min
Cook time: 60 min
Total time: 80 min
Yield: 4
Cuisine: Swiss

In short: The soup of Basel: flour toasted until hazelnut-colored, sweet onions and a fragrant broth, with grated Gruyère and croutons. Here made with leek and without celery.

Serves: 4. 80 minutes.

Cipolla, Porro, Gruyère AOP, Burro svizzero, Alloro, Erba cipollina

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Updated on 25 October 2026