So this is a little bit of a late update on my part, but I just came across this new post by BugEyes126. Check it out.
So I guess apart from his random digging through trash, maybe he's onto something. I've seen instances where cakes have been used to hide files used to break out of prison. Maybe there's something being hidden in the Pink Surprise Cakes. And the coincidences of the parlour being closed are just too weird to ignore.