Clean the fresh conger eel thoroughly and cut it into medium-sized pieces.
Peel and slice the potatoes, onions, and tomatoes.
Heat olive oil in a large cooking pot and add chopped onions.
Cook until the onions become soft, then add tomatoes and minced garlic.
Add paprika, salt, and black pepper, and stir well.
Pour in fish stock or water and bring the mixture to a boil.
Add the sliced potatoes and cook for approximately 10–15 minutes.
Carefully add the fish pieces to the broth.
Simmer gently for another 10–15 minutes until the fish is fully cooked and tender.
Adjust the seasoning and add fresh coriander or parsley if desired.
Serve hot in soup bowls with plenty of flavourful broth.