Mackerel Varattiyathu(Inside Clay Pot)/Oil Free And Healthy Fish Fry/Ayala Varattiyathu(Mann Chattiyil)

Today's post is Mackerel (we call it Ayala in Malayalam) Varattiyathu or fried,but frying without oil sounds strange,na? I say fried in the sense that it tastes very close to the fried ones or may be tastes even more better.