we're meeting enzo's special supplier, uncle vincenzo. behind his rusty gates i'm reminded that here in italy, treasures are to be found in the most unlikely locations. >> i've eaten san marzano tomatoes all around the world, but the bright, balanced flavor of these is like nothing i've ever tasted. >> stanley: that's it? yeah, no, impossible. yeah. varieties using the san marzano name are grown everywhere from new jersey to new zealand. but only the tomatoes grown right here are fed by the nutrient-rich soil gifted by our old friend looming on the horizon. >> stanley: wow. wow! after our little shopping trip, we're back in the city and finally, finally, the maestro is making a pizza for me. mass-produced pizza brands always add sugar, fat and flavorings, but in napoli it's just water, flour, salt, yeast, and a lot of skill. incredible. nice. the crushed san marzanos from uncle vincenzo go on first. next, the creamy nuggets of mozzarella di bufala to counteract the sweet sharpness of the tomatoes. and a final flourish to add saltiness and