A CLOSER LOOK
How to recognize it
Fine tangled dark filaments. Appearance alone cannot distinguish genuine fat choy from imitation products.
In the kitchen
Traditionally soaked and cooked in festive dishes, including some Haikou vegetarian claypots.
Wild fat choy is protected. This entry explains a traditional ingredient, not a recommendation to collect it; substitutes require their own ingredient check.
Ask about this ingredient
这道菜里有发菜吗？
Does this dish contain Fat choy (Nostoc flagelliforme)?
A few dishes to explore
These examples use this ingredient in typical or optional preparations. Open the dish to see the distinction; a restaurant’s recipe can differ.
