Debone your sardines. Open the stomach using your thumb, look for the middle bone and slide your thumb going down to the tail of the sardine, and do it at the other side of the bone, and there's your sardine fillet.
Recipe:
5 pcs. Tamban (sardines fillet) - you can use some other fish of your choice too.
breading mix (you can make your own breading mix too with flour, salt, pepper and some onion powder)
1 cup of oil
wash the sardines, pat dry with kitchen paper or towel, dip into the breading mix and crispy fry till golden brown.
best serve with a fresh salad.