Ben: "How do you best kill a witch?"
Gretel: "Hansel?"
Hansel: "Uh, cutting off their heads tends to work... and ripping out their hearts... and skinning them is also nice..."
Gretel: "Yeah, but burning them is the best way, 'cause it's the only way to be safe."
Ben: "Burning, yeah, of course!"
Hansel: "Burn 'em all..."