The dessert that's being made here is something like Mitarashi Dango, sweet syrup covering dumpling balls made of mochi. Traditionally, you make mochi by taking

The dessert that's being made here is something like Mitarashi Dango, sweet syrup covering dumpling balls made of mochi. Traditionally, you make mochi by taking rice and smashing it with a hammer. In theory, this helps make it fluffy. This process is called "Mochitsuki" and it's one of those traditional cultural things, probably intentionally chosen so you get a cool juxtaposition of a robot doing an old traditional thing. It looks like this: https://youtu.be/4lqiBFbf6rc?si=ARkTbrMcAVy7XZxx&t=20 https://youtu.be/4lqiBFbf6rc?si=ARkTbrMcAVy7XZxx&t=20