Magic Reindeer Food is a combination of oatmeal and red sugar (or glitter if you don't mind the mess) to help Santa's reindeer find your house on Christmas Eve. Not only will magical reindeer food do the trick as a treat for the hard-working reindeer, it is also gaining popularity as a stocking stuffer, a "Secret Santa" or classroom gift, and acraft activity that parents and children can have fun with, creating it together.