Quinoa-Black Bean Salad

This recipe started as an experiment for a potluck last spring.  Several of my friends had never heard of "quinoa" so I decided I needed to make something to show off its tastiness.

Now, for those of you who aren't familiar with this grain, you should be.  Actually, according to wikipedia (the best source for random knowledge) it's not a grain, but a seed, but that doesn't really matter. Quinoa (pronounced "keen-wah") is originally from the Andes and apparently used to be a core crop of the Inkan empire.  More recently, it has become popular among vegetarians for being a complete protein, meaning it has all nine amino acids.  Feel free to whip out that piece of trivia at your next dinner party.