For Halloween, draw faces on cups with a black Sharpie. Add vanilla pudding tinted with green food coloring. Crush some Oreo's to sprinkle on top of the pudding. Frankencups! Could also do orange for pumpkins, etc.
Halloween - For these “Googly Eye Monster” cupcakes, just sprinkle colored sugar on a cupcake then place a marshmallow on top and use an edible pen to draw on eyes. Description from pinterest.com. I searched for this on bing.com/images