An-doughnut (Japanese: あんドーナツ, Romaji: an-dōnatsu) is a Japanese doughnut filled with red bean paste.

It is a confection created in Japan, along with anpan, Jam pan, cream pan, curry bread, and many others.

[1] It is unknown when an-doughnut was created in Japan.

However, Mister Donut in Japan added an-doughnuts to its menu in December 1983.

[2]