For when you must eat absolutely everything in sight
It was just a simple dieting spell; nothing could go wrong. Except it had, and she should have known better than to ignore such a big warning. Each new pony Twilight meets in Ponyville looks just a bit tastier, and a bit smaller too. Now it's going to take all of Twilight's willpower to break the spell before she devours the entire world.

Inspired by an image from /mlp/'s "My Massive Pony" thread, this story has grown into something a little bigger than the original greentext post. Shout out to every anon who encouraged me along the way. Thanks for the support, guys. This was fun to write.