Chalait's matcha latte. Matcha, or finely ground powder made from green-tea leaves, is obviously not new. To Drink: Voila Chocolat What: Matcha Hot Chocolate Price: $4.85 This new Upper West Side bakery, which opened in December, takes its craft quite seriously: Staffers include a master chocolatier and a "senior chocolate scientist." This drink combines green-tea powder with a white-chocolate base.