Once relegated to the shelves of health-food stores, soy milk is now available in most supermarkets. Opened soy milk is good in the refrigerator for up to a week. Soy milk can be substituted for cow's milk in most recipes and works well over cereal, too. Read labels carefully. Unlike cow's milk, soy milk varies a lot in its nutrient composition, according to manufacturer specifications.
Fermented products form another category of soy foods.
Tempeh, with its firm, meat-like texture, is gaining appeal. Because both tofu and tempeh are rather flavorless, they take on the flavor of the seasonings they are prepared in. Finally, producers have responded to the never ending demand for convenience by bringing us tofu and soy-protein based burgers, hot dogs, sausages, etc. While soy burgers will never replace the real thing, these products have made advances in taste and quality in recent years. For more information, contact your local Colorado State University Cooperative Extension office .