They do fit the initial description! Now I like the idea of
lembasbeing like Springerle, though...especially as they would travel very well! And elves could put symbols on them, if they so wished.
Here is a recipe, complete with picture.
Ours were usually larger than they look in the picture, though...and flatter. And some of the time we didn't bother with the molds...just made 'em plain.