The preparation
Step 1:
Peel the onion and garlic and dice them together with the bell pepper.
Step 2:
Next, pour the olive oil into a large pot and heat it up. Add the onion, garlic and bell pepper and sauté until the onion is translucent. Add a little salt. Reduce the heat to medium.
Step 3:
In the meantime, peel and dice the tomatoes, peel the potatoes and chop them into pieces with a knife. Then add the tomatoes and potatoes and fry briefly.
Step 4:
Add the wine, paprika powder and bay leaf and simmer for a few minutes. While the vegetables are cooking, heat the fish stock and add it to the pan.
Step 5:
Cook over a medium heat until the potatoes are almost done.
Step 6:
Then cut the tuna into large cubes and add to the pan. Simmer for approx. 10 minutes until the tuna is cooked through. Done!
Leave to stand for approx. 5 minutes and serve.