Has anyone else tried the udon noodles sold in the Jewel sushi section? They are "fresh", I think, in that they are soft and come sealed in a small plastic packet with some moisture inside, and there are three such packets sold as one unit. The whole thing also includes three small flavor packets to mix into the noodles after you've boiled them in some water.
I tried them recently, and with some green onion mixed in, as well as a raw egg swirled in, they are pretty darn good!
My question is whether these are so fresh as to require immediate usage of even the still-sealed packets, assuming you eat one at a time? There is absolutely nothing on the packaging to indicate a "use by" date. Anyone have any ideas about this?