Zombie cake!
I found this on Bits & Pieces, but would love better attribution. Whoever made this cake deserves the Nobel cake prize:

Back in 2005, we made this kitty litter cake for our work’s Halloween Party Potluck. I loved those things, as it seemed everybody we worked with was a good cook. It took a long time for anyone to try a scoop, and much was leftover. I don’t eat cake, but those who do said it tasted good. This is all over the internet now, but was new news in 2005.

