Steam the crabs. Carefully remove the shell and flake the meat.
Do not remove the claws and the legs.
In a bowl, combine the crabmeat, onion, garlic, ground pork, buko, egg and salt and pepper.
To test the seasoning, make a small patty and fry.
Return the crab meat mixture to the shells.
Tie securely with string and carefully arrange in a covered casserole.
Pour the coconut milk, add the ginger and siling labuyo and bring to a boil.
Cover and simmer the first ten minutes, then uncover and continue cooking until sauce thickens.