A few years ago while eating at a favorite sushi restaurant, I became enamored with a delightful flavor in my sushi roll. Immediately I asked the waiter what this deliciousness was and he replied "shiso". Suddenly a flood of questions rushed in "Where do I get this herb? Why is this the first time I'm tasting it? This flavor is so brilliant...why? what? I can't believe it. Just used in Japanese cooking--you're kidding me!" You might be wondering what's the big deal about shiso anyway? The flavor is bright and seductive. At once it tastes of cinnamon, lemon, mint, basil. It...