Ñame con salsa (yam with sauce)

Instructions

1. Peel the yam, cut it into pieces and boil it for 25 to 30 minutes in salted water, until it is tender when pierced with a fork.
2. Meanwhile, soak the dried fish for 10 minutes in lukewarm water to remove the salt, then drain it.
3. Fry the chopped onion and garlic in the oil for 5 minutes.
4. Add the crushed tomatoes, the chilli and the dried fish, then simmer for 15 minutes until you have a thick sauce.
5. Drain the yam and serve it with the sauce, piping hot.