Cook the beef fillets on a hot plate, according to the degree of cooking desired by the diners.
Make medallions out of them and transfer them to the plates.
Put the mashed potatoes in a confectioner’s pocket with a star-shaped beak and squeeze some curls to accompany the fillet.
Sprinkle the meat with truffle oil and season with salt and pepper.
prinkle the meat with the flakes of strong Provolone Valpadana P.D.O. and the truffle cut into thin strips. Serve.