The King looked anxiously at the White Rabbit, who said in a low voice, 'Your Majesty must cross-examine THIS witness.' 'Well, if I must, I must,' the King said, with a melancholy air, and, after folding his arms and frowning at the cook till his eyes were nearly out of sight, he said in a deep voice, 'What are tarts made of?' 'Pepper, mostly,' said the cook. 'Treacle,' said a sleepy voice behind her.