Tokyo Station's Mont Blanc The Hakuzan is a sweets shop so popular that it's named twice, and its Mont Blanc dessert sells out daily. The author's perseverance to try it, despite the long wait, is rewarded with a delicious dessert. The Mont Blanc is a creamy, chestnut-filled treat with a hint of rum, and the author praises its texture and flavor. However, the author acknowledges that the long wait and limited availability may not be suitable for everyone, and suggests pre-ordering online to avoid the long lines. The shop's popularity and unique dessert make it a must-visit for sweets enthusiasts, but the author advises planning ahead to ensure a chance to try it.