The Baker's Dozen

Derpy buys some muffins and just needs to get them home...what could go wrong?

Derpy goes to Sugarcube Corner for an order of muffins. It's a very special occasion for her daughter, Dinky, so she wants to bring home some extra special muffins for her. Sounds simple enough, right? Unfortunately, things tend to happen when you're clumsy and she's not the only one interested in said fresh, warm muffins...