i--now you've really opened up my eyes to something." >> in rio vista, charlotte fadipe, "californiacountry tv." >> so today on "food 101", we're going to be talking about mushrooms. here to help us out is greg corrigan, senior director of produce and floral here at raley's. greg, good to see you again. >> hey there. >> so when i wk up to this display, i have idea what makes a good mushroom or a bad mushroom. so how do i pick a good one? >> well, the mushroom guys would argue that they're all good. but there are some differences, and you do want to look for mushros that are nice and white, and fresh, and not a lot of decay. >> ok. >> so you definitely want to stay away from the ones that are turning brown and looking dehydrated. they actuay have some of these new cool packages that are easy anconvenient for the consumer to close. so easy to put in the fridge, store--always want tore them nice and cold in the fridge right away, don't keep them out. um, but se great varietieto choose from. >> so these guys--so i walk up to this--and they do all look good, i will give you credit. they a