This matcha green tea cake is a popular recipe that combines the earthy flavor of matcha with the sweetness of cake. The cake is made with matcha powder, which is a finely ground green tea powder that is rich in antioxidants and has a unique flavor. The cake is light and fluffy, with a delicate green color and a subtle matcha flavor. It is often served with a dusting of powdered sugar or a dollop of whipped cream.