Although not a common item in most kitchens today, quinoa is an
amino acid-rich (protein) seed that has a fluffy, creamy,
slightly crunchy texture and a somewhat nutty flavor when
cooked. Most commonly considered a grain, quinoa is actually a
relative of leafy green vegetables like spinach and Swiss chard.
A recently rediscovered ancient "grain" native to South America,
quinoa was once called "the gold of the Incas," who recognized
its value in increasing the stamina of their warriors. Not only
is quinoa high in protein, but the protein it supplies is
complete protein, meaning that it includes all nine essential
amino acids. Not only is quinoa's amino acid profile well
balanced, making it a good choice for vegans concerned about
adequate protein intake, but quinoa is especially well-endowed
with the amino acid lysine, which is essential for tissue growth
and repair. In addition to protein, quinoa features a host of
other health-building nutrients. Because quinoa is a very good
source of manganese as well as a