Citrus enthusiasts will claim that the best part of the fruit is the juice. Wrong. Zest is the real booty. Just a little goes a long way for flavor, fragrance and, as the saying goes, life. A bit of orange peel here, a nick of lemon rind there… and now tangy magic is raining down on your simple greens or fish tacos. The only thing it didn’t do was quench your thirst.