Peel the potatoes, cut into large pieces. Peel the onion and garlic and chop finely. Grate the ginger on a fine grater. Peel the fish fillet and cut into large pieces.
Add garlic to the grated ginger and then curry paste and stir. Once mixed, carefully add the Greek yogurt to the mixture and stir until smooth.
Add the fish fillet to the resulting sauce and stir.
Heat a deep frying pan with vegetable oil and add onion, then bay leaf and cinnamon. Stir and fry until the onion is golden and soft.
Add tomatoes and potatoes to the onions, then pour in the broth and slightly reduce the heat on the stove. Cover the resulting dish with a lid and leave for 20 minutes.
After time, add the fish fillet in the sauce to the resulting mass and mix. Cover with a lid and simmer for about 10-15 minutes, then add salt, then pepper, stir, place on serving plates and serve.
Garnish the dish with fresh herbs, such as cilantro.