Reindeer Poop | christmas cookie recipe. holiday treat that will delightfully disgust and satisfy a monster sweet tooth at the same time? Reindeer poop is just the thing crunchy little balls filled with all kinds of tasty and sugary. ingredients. No baking required, it just takes a few minutes on the stovetop and your poop is ready to eat. Made with rice krispies, marshmallows, chocolate and caramels.