"These hands have made over six million Pumpkin Pasties. I’ve got quite good at them. But what people haven’t noticed about my Pumpkin Pasties is how easily they transform into something else..."
-- Trolley Witch (CC1.11)
The Hogwarts Express Trolley Witch threw a Pumpkin Pasty that exploded like a hand grenade as Albus Potter and Scorpius Malfoy jumped from the roof of the train (CC1.11)