Cut the shallot into half rings. Finely chop the garlic and chilli pepper.
Pour off the olive oil from the tuna can into a saucepan and heat. Fry the shallot in it. Add the garlic and tuna and fry a little too. Add the date tomatoes and simmer everything for 5 minutes. Add capers and parsley and stir well. Season as needed and simmer for about 25 minutes.
Meanwhile, cook the pasta in salted water according to the instructions on the packet.
Arrange the pasta on plates, pour the sauce over them and garnish with parmesan and some freshly ground pepper.