Cook the pasta in plenty of boiling salted water until al dente. Drain and rinse under cold running water, then keep on one side. Meanwhile, cook the spinach in a little boiling water in a covered pan for 1-2 minutes, just until limp. Drain, press out the moisture thoroughly and leave on one side.
Heat the sunflower oil in a frying pan over a high heat. Add the minced beef and st