It took me forever to work out a way of including all the ingredients used to make Angel Cake and keep the crossword totally symmetrical. My next challenge was cutting the letters to a size that would fit within the white squares (the mosaic overall could be no larger than 30cm sq). I then grouted the black tiles black and the white tiles white, but had no alternative but to handwrite the numbers with permanent marker.
I quite fancy a cup of tea and a piece of cake now ……