This "refined" UES boutique (with a Plaza Food Hall offshoot) is famed for its "exquisite" signature mille crêpes gateau, comprising numerous layers of custard and pastry, and other "light, delicious, dainty" Japanese-inspired cakes displayed like gems in a "jewel box"; it fairly "drips with elegance" – you may "feel like you have to be dressed-up" just to enter – and prices are accordingly...