What is a famous Peranakan dish which made from nut and cooked with chicken in thick gravy?

The famous Peranakan dish you're thinking of is likely Ayam Buah Keluak.

Here's why:

* Nut: The dish features buah keluak, a large, black nut native to Southeast Asia. The nut is highly prized in Peranakan cuisine for its unique, earthy flavor and aroma.

* Chicken: Ayam Buah Keluak typically uses chicken as the main protein.

* Thick Gravy: The dish is simmered in a rich, thick gravy that incorporates the flavors of the buah keluak, spices, and chicken.

Ayam Buah Keluak is known for its intense, complex flavors and is considered a signature dish of Peranakan cuisine.