Baylan Pastanesi is a historic bakery in Istanbul that has been around since 1923. They are famous for their chocolate cake, which is made with layers of moist chocolate sponge cake and rich chocolate ganache. They also offer a variety of other cakes, including fruit cakes and cheesecakes. Baylan Pastanesi has several locations throughout Istanbul, making it easy to find a delicious cake no matter where you are in the city.