"What else is in Peeps other than sugar? Not much. The Peeps nutrition facts reads as follows: Sugar, corn syrup, gelatin, contains less than 0.5% of the following ingredients: yellow #5 (Tartrazine), potassium sorbate (a preservative), natural flavors, carnauba wax."

Also:
http://mentalfloss.com/article/56283/20-delicious-facts-about-peeps


Many of us prefer aged Peeps, which means opening the sealed container and letting them get crunchy ( stale, actually, but no effect on flavor).