Clean the crabs and cut crosswise in two pieces of each mud crab.
Heat oil in a pot and saute garlic, onion and ginger. Saute until the onions are soft. Add in the mud crabs and saute for one minute.
Then pour the rice washing on the pot. Add more liquid if necessary just enough to cover the mud crabs. Bring to a boil and add in siling haba and misua.
When the misua and mud crabs is already cooked, add in the malunggay leaves and season with salt. Turn off heat and serve hot.