Cut datterini in two parts.
Put a drizzle of oil in a pan, press and let brown the garlic clove, then add tomatoes and salt. Season with basil and cook the sauce for 10 minutes.
Boil pasta in hot salted water and drain “al dente”.
Put pasta in the pan with tomato sauce, add tuna and let flavor for 1 minute, then serve with a tuna and basil decoration.