東京バナナ (Tokyo Banana) is a popular Japanese confectionery that originated in Tokyo. It is a banana-shaped sponge cake filled with a creamy banana custard. The treat is known for its soft texture and sweet flavor, making it a favorite souvenir for visitors to the city. First introduced in 1991, 東京バナナ has become an iconic snack, often found in various flavors and limited editions. It is typically packaged in a distinctive box, making it a convenient gift. The product is associated with the Tokyo region and reflects the city's unique approach to sweets and desserts.