Pour one cup of lukewarm water and extract milk from grated coconut, strain and set aside.
Discard shredded coconut meat.
Make small balls from malagkit rice flour dough. Set aside. This will be the bilo-bilo.
Peel potato, fresh ube and saba banana. Slice into small cubes.
Boil water, add bilo-bilo balls and simmer until balls float. Remove from water and set aside.
Boil sweet potato until tender. add ube, banana and langka.
When cooked, add in coconut milk extract, pandan leaf, sugar and rice balls.
Simmer until thick and creamy. Add sago; remove pandan leaf.
Serve hot or cold.