La Duquesita is a historic bakery in Madrid that was founded in 1914. They are known for their traditional pastries and cakes, such as their famous napolitanas, which are puff pastries filled with cream or chocolate. They also offer a great selection of cakes, including their signature cake, the Duquesa, which is a sponge cake filled with cream and covered in chocolate. The bakery has a charming vintage decor and a cozy atmosphere, making it a great place to enjoy a sweet treat with friends or family.