It has to be a bakery treat of some sort. The more I read the more I get this vibe, Chang is totally the eldest brother, Kaiji is the definitely the middle child, and Mario is the youngest brother
Unlike previous parts where some people betrayed him lol.
I like these chapters even though it's kinda filler but it's a nice in-between when 2 chapters release at the same time lol, since it explains the plans for the next chapter