. >> nonna romana and nonna maryann. i want you to tell ee what was your favorite pasta.ir favorite. >> i like "a" the best. it had a sweetness to it which the others didn't. >> just the right consistency. just tasted good. >> i love more al dente i like better. >> reporter: could they correctly pick the priciest pasta? again, each one choosing a different pasta. why do you think this is the most >> it was the least desirable. >> reporter: but check it out nonna romana. >> i say "c." >> picking the same pasta one she thought was most expensive. are you ready to find out which was the least expensive pasta?> at about$1. >> you chose the least expensive pasta. >> this is very good. >> i think if it's good for nonna romana, it's goodough? [ cheers and a8 and we're all hungry now but a couple of tips. next time you're shopping for pasta you want to hold it up to the light. you want your have rough texture and an opaque quality, smooth not good.ent al. all about getting that sauce to stick but, robin, if it's good enough for nonna romana, it's good enough for us. >> al dente.

nonnas. maryanne, romana, thank you so much. [ applause ] love getting the grandmothers.but she's with her grandson on the west coast so that's why we had the two of you here. you have your favorite dishes. >> this is mine. >> can you tell us a little about it? >> it's fresh grape tomato, shallot, garlic, crushed red pepper and capers. >> don't forget the parmesan. >> and, yes. that's after. >> i don't know why i wore a white shirt today when i'm tasting the red sauce pasta. an amateur move. >> romana, how are you? you have your granddaughter. i know your english is a little -- can you describe that dish for us. >> this is nonna romana's classic baked ziti. >> baked ziti, so does she have a secret? >> i'm going around. can i go around. >> yes, please, please. >> i'm getting in on this. >> we can't tell you the secret. i can't tell you. you want to tell? what's the secret? >> nothing. you got to cook al dente. you pour over and you got to finish the cooking. [ applause ] it is good. you know? >> wonderful. >> thumb's up. >> i know. >> stay clean. >> wore the white shirt an