So simple. Yet so effective.
Peach Jello Brains
(made with only 5 ingredients!)
Kamikaze Eyeball Jelly Shots
This is only a smattering of examples available on the web. Look around. Make up your own! Find a picture and tweak the recipe to YOUR taste. The main thang is to have fun doing it and creep out people while doing it. Happy Halloweenie and get your cook on.