The origins of tofu is as so nebulous and legendary as of butter and cheese. The fact is that soy curd is an essential staple food in China, Japan, Korea, Vietnam and Thailand, for good reasons. Tofu is low in calories and full of valuable nutrients. In particular, the proportion of protein and iron is remarkably high. Not for nothing Tofu is referred to by his fans as a "culinary chameleon". With its incredible options of preparation, it is an exciting alternative to meat.