The economic recession has changed America's consumer behavior not only in the realm of dining out, but also when it comes to cooking and eating at home. One way to cut costs would be to purchase packs of frozen fish, rather than splurging on those pricier, ready-to-cook fillets available at your seafood counter. Discerning pescaphiles will throw up their hands in opposition ("I never buy frozen fish!" Katie exclaimed), but it's one way to enjoy seafood on a shoestring. When, if ever, do you buy frozen fish?