I wrote a short story about a cake. It's a contest, and you'll find it on the link below. I hope you'll scroll down, read it, and vote a thumb's up.
It was fun. The blogger started the story with the first line. All writers began their story with that the line she chose. Here's the link. I'm near the bottom.
We, at Prism Book Group, did several novellas doing that...round robin writing. We each wrote a chapter and sent the book to the next author on the list. We had no major plot, just created as we went. The books we wrote are free on Amazon.
A Wedding Blizzard