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

“And no wonder we couldn’t find Flamel in that Study of Recent Developments in W…”

“I have had it all tested for poison,” he assured Harry. “Had a house-elf taste …”

“I'm Draco Malfoy, I'm Draco, I'm on your side!"Draco was on the upper landing, …”

“According to Nietzche," said a sharp new voice, making them all jump, "philosop…”