For the noodles, boil 3-4 l salted water (approx. 1 teaspoon salt per litre).
Wash the tomatoes and cut them into pieces. Peel garlic and chop finely. Heat oil in a pan. Sauté the garlic in it. Fry the tomatoes briefly. Add white wine, capers and lemon juice. Bring to the boil, cook over a mild heat for about 4 minutes.
Add the pasta to boiling water and cook according to package instructions.
Wash the parsley, shake dry and chop the leaves coarsely. Drain the tuna and heat it in the tomato pan. Remove approx. 5 tablespoons of the pasta water and add to the tomatoes. Drain the pasta.
Mix the pasta with the tomato sauce and add the parsley. Season with some salt, pepper, 1 pinch of sugar, oregano and chili flakes.