Russians call it "all glued together" (in Russian) and translate it to "pizza" but my Italianness describes it as "Russian-take-on-a-savoury-version-of-the-British-bread-and-butter-puddingN".
Nice to have:
or anything else that is left over
fry the bread in oil. Mix milk and egg (it must be quite liquid). Then add this to the cooked bread as it starts to glue together add your nice to haves.