Famous matchadessert place in Uji. They provide good matcha sweets and also some interesting matcha products such as matchacurry and matchaliquor. They also have hojichatiramisu the best I've had.
I highly recommend the parfaits. There's a lot of variety in one glass! There's a waiting list, but it didn't take long to get table. Check out the store for souvenirs while you're waiting!