Form into balls, and place them on a cookie sheet or plate. Put in the fridge for at least 30 minutes. Note: if you are putting eye balls or other decorative sprinkles on them, put them on before placing them in the fridge.
Store in an airtight container for up to one week.
The Kansas City Dietitian is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.