Cherries, beets, blueberries and pomegranates make the prettiest messes.
I know it's weird but Poppy and Harry watch each other and copy each other, the absolute worst mess ever was made with organic fresh tomato and vegetable sauce, I was out of penni pasta so I gave them whole wheat spaghetti (I didn't chop it). I don't know who thought of it first but both of them draped the spaghetti dripping with red sauce all over their cages, the entire room looked like a crime scene. I learned my lesson, only short or chopped noodles.