Tofu (bean curd) serves as a protein- rich meat substitute, and is an inexpensive and popular staple of Chinese cuisine. PHOTO BY J. SAMUEL BURNER.
The Chinese food staple tofu, made from soybeans, is ancient. The discovery of how to process soybeans in order to derive food value from them was a breakthrough in human nutrition.
Scholars are not sure when the food tofu was first made, but the technology….