These look so freaking delicious. They'd be even better if they were hollowed out and then sealed up again so the Nutella blast was a surprise. I've got some fruit engineering work to do.
I tried to be haughty about desserts in jars and how it's such an obnoxious fad like taxidermy in bars and guys who ride bikes and grow beards. But then I had an amazing goat cheese and berry mousse in a jar and changed my mind. Put it all in a jar! All of it! I take it back! Jars are charming and it could probably be scientifically proven that they make food taste 25% better.