While trying to help Applejack with some baking, Starlight Glimmer accidentally shatters a mixing bowl that belonged to AJ's mother. This leads to frenzied research, a discussion of the universe's fundamental nature, several whirlwind races across Ponyville, an attempted theft, and the possible creation of a new form of magic. You know: the usual.
This is the story I would've written for the July 2016 Writeoff Association contest, "The End of an Era," but I didn't get a chance to actually put it together till two weeks after the writing weekend. Many thanks to Blazzing Inferno for comments on the first draft.