No worries about growing zone, weather, space requirements just your dream garden.
I would love to be able to grow vanilla, they look really cool the flowers smell amazing and having a source of fresh vanilla beans would probably unlock some next level cooking. An olive tree would be cool too, I can eat unlimited olives and making my own oil would be awesome.
If I didn't have to worry about climate and space, I'd have so many fruits and vegetables.
But if we're really going impractical with my space and climate, I'm getting a chocolate tree.