A lemon drop. They're a kind of Muggle sweet I'm rather fond of.

“A Wrackspurt . . . They’re invisible. They float in through your ears and make …”

“I think Mum's got a second cousin who's an accountant, but we never talk about …”

“Ah, the Hand of Glory!” said Mr. Borgin, abandoning Mr. Malfoy’s list and scurr…”

“Hang on. This Lord Voldything's back you say?... and now he's sending dismember…”