1. Peel and cut the potatoes into small pieces.

2. Rinse the cod and cut it into bite-sized pieces.

3. Bring a large pot of water to a boil and add the potato pieces. Add salt and cook for about 10-15 minutes until they are soft.

4. Add the tomato puree to the pot and stir well. Gently add the cod to the pot and cook for another 5-7 minutes until it is cooked through.

5. Season with salt and pepper, and serve.