Grill the pineapple slices on both sides in a grill pan, in a tablespoon of olive oil. Deep-fry the herring, after frying remove the backbone with the remaining bones.
Combine the sriracha and mayonnaise into a sauce and spread it over the pineapple slices, put the lettuce slices, tomato and then the fried fish pieces..
Pour a little more sauce over the herring, top with onion and chives..
Recipe by Alicja Jurkowska. Check out my blog Warszawski Smak.