My kids would end up eating shells! Easter egg cupcakes: Cake baked in REAL egg shells that you peel away to eat! Imagine your kid's face when they peel what LOOKS like a hard boiled egg and find CAKE?
Cute idea for hard boiled eggs or left-over Easter eggs--might be misunderstood as sick humor though (hard cooked egg with chicken inside. New look at age-old question, "Who came first--the chicken or the egg?