Fennel and Onion Gratin

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Full Recipe

https://www.americastestkitchen.com/recipes/17291-fennel-and-onion-gratin-with-gruyere

Author

Ben Mims | 2025-11-01

Description

Tender fennel and onions cloaked in lightly thickened cream, Gruyère, and Dijon mustard for a hint of sharpness add up to a simple yet sublime side.