Writing on unglazed gingerbread?

[Erica McPhee]

Great! Would love to see photos! 

[Zivio]

@tintenfuchs Yes, of course we must now see pictures!

[tintenfuchs]

There you go! I only managed to snap one picture because it was so busy. :-/ You can see that this was taken when the icing was already warm (see info below).
But I'm planning on using this newly acquired skill for my own Christmas cookies.

I also learned an important lesson: The icing will warm (obviously, but I hadn't thought of it) and flow more freely when it does. I had chosen a 1mm (0.04 inches) nozzle because I was afraid of clogging but in the end I wished I'd gone with the 0.5mm (0.02 inches) one.

[Erica McPhee]

Wow - they came out great!