I used ‘Coke bottle’ because not sure whether to say soda bottles, soft drink bottles, soda pop bottles, pop bottles, carbonated drink bottles, or fizzy drink bottles. What term do you use?
These are made by Andres Fatso, a Sydney-based confectioner. Baked by Andres is a Facebook page with links to other social media.
I also found a similar cake below. And here is a link to the recipe