Founded in the 16th century in Kyoto, Toraya's traditional confectionery has long been patronised by the Imperial Court, giving it a cachet that other sweet-makers can only dream about. This is its impressive flagship store, reopened in 2018. It specialises in yōkan, a jelly made from red bean paste, but also sells other seasonal sweets, all beautifully packaged.
Don't miss the lovely cafe on the 3rd floor; if there's a line, take a ticket for your place in the queue and spend some time in the basement-level gallery where special exhibitions related to Japanese sweet-making culture are mounted.
There are many other branches of Toraya and its cafes throughout Tokyo, with several in major department stores and malls.