Green tea's good for you. This much we know. And though the best and most nutritional form has been around for more than 800 years, it's largely been ignored by mainstream leaf-lovers. Matcha is a carefully stone-ground, powdered tea made in limited quantities from shade-grown tea plants in Japan. While regular tea is steeped in water and discarded shortly thereafter, matcha allows for the consumption of the entire leaf because the pulverized powder is whisked into hot water. Frothy and slightly sweet,

Rishi "on-the-go" tea packets,
$20 at Whole Foods.

(Illustrations: Rishi Tea)