Sugar Butter Tree Daimaru Tokyo Store is a pastry shop selling sugar butter sandwiches and sugar butter pies, located on the first floor sweets area of Daimaru Tokyo at Tokyo Station. Its signature items are the sugar butter pie, made from a cereal dough of whole wheat, rye, and wheat baked with cultured butter, and a store-limited fresh butter sandwich. The fresh butter sandwich is sold in limited quantities daily at 10 a.m. and 5 p.m., and customers line up to buy it depending on the time slot. The pie has a short shelf life.