Bring your omena to a boil for 15mins. Remove and drain the water

In a separate pan heat cooking oil and add your boiled omena. Spread them all over the pan, then reduce the heat to medium. Let it cook undisturbed until it browns.

Before turning add onions and cook undisturbed until the other side browns too.

Lastly add your ginger garlic paste plus salt and the lemon juice. Stir and let it cook for five mins

Serve