This is a video recipe for chestnut yokan (sweet bean jelly) that's surprisingly easy to make using agar powder. Simply dissolve the agar powder in water, add sugar and strained bean paste and mix. Pour the mixture into a heat-resistant container, top with candied chestnuts, and let it cool and solidify. You can easily enjoy this flavorful Japanese sweet, perfect for autumn. It's easy to make even for beginners and is recommended as a snack for your home cafe, a gift, or for entertaining guests.