An easy supper from ” Simple Food” by Jill Dupleix.
Peel the potatoes and chop into 1 cm cubes. Bring a large pot of salted water to the boil, add the pasta and potatoes and cook together until tender, about 10 minutes depending on the pasta.
Drain the tuna, reserving the oil. Heat the olive oil in a pan and add the tuna, olives and capers. Toss well until everything is hot.
Drain the cooked pasta and potatoes and add to the sauce with most of the tuna oil. Add the basil or rocket leaves and season with sea salt and pepper. Toss well over the heat until wilted then serve.