Bring 1 l water to the boil in a kettle. In the meantime whisk eggs and season with salt and pepper. Grate the parmesan directly into the eggs.
Pour boiling water into a pot, add 1 teaspoon salt and bring to the boil on the stove. Pour the pasta into the boiling water and cook according to the instructions on the packet.
Drain the tuna and tear with a fork. Dice rolls. Drain pasta well.
Heat 2 tablespoons of oil in a coated frying pan with lid. Fry the rolls for 2-3 minutes while turning. Add pasta and tuna, fry briefly. Add egg mixture and mix everything. Cover and let it simmer at low heat for 10-12 minutes.
Mix vinegar, salt, pepper and 1 pinch of sugar. Fold in 2 tablespoons of oil. Mix the vinaigrette and the salad and arrange everything.