Cut the onions and put them in a saucepan and add 3 tablespoons of cooking oil and cook in low heat until golden brown.

Add tomatoes and sprinkle salt to taste. Grate the ginger and garlic and add them in concassé

Add 2 cups of water and bring it to boil

Add the fish and cover with a lid and allow to cook until the soup becomes thick and white.

Enjoy.