Season the lamb shank with sea salt and kejap manis, then let it rest.
Sear the lamb in coconut oil until browned, then set aside.
Fry the massaman curry paste with peanuts, palm sugar, fish sauce, and coconut cream.
Simmer the curry with the lamb shank until tender.
Add potatoes, raisins, baby corn, pineapple, and green beans, and continue simmering.
Finish the curry with Thai basil, tamarind water, and remaining coconut cream.
Shred the lamb and serve the curry topped with peanuts, coriander, and Thai basil, along with jasmine rice.
