recipe and of course it's the best ever, you know, and yours is nothing compared to mine. >> right, it's true. it does become very territorial doesn't it? >> yeah. >> romans revere what they call the four pastas. >> tucci: nice to see you, thank you for having me. simple but iconic dishes of staggering deliciousness. they are creamy cacio e pepe, made with mainly sheep's cheese and pepper the ancient gricia, which has added pork, its luxurious cousin carbonara which is elevated with egg yolks and finally our lunch today, amatriciana - made with tomatoes......and this roman favourite, guanciale, fatty pork cheek. >> tucci: the guanciale are a base for a lot of different dishes in rome.