The butter in which the roast was served was melted brimstone or burning wax.

When the roast was cooked to suit him he ate coals and roast together.
As a dessert he would swallow the knives and forks, glasses, and the earthenware dishes.
He kept his audience in good humor by presenting all this in a spirit of crude comedy and, to increase the comedy element, he introduced a number of trained cats.

Although the thieving proclivities of cats are well known, Dufour's pets showed no desire to share his repast, and he had them trained to obey his commands during mealtime.

At the close of the meal he would become violently angry with one of them, seize the unlucky offender, tear it limb from limb and eat the carcass.

One of his musicians would then beg him to produce the cat, dead or alive.