The Sunday school teacher was explaining the story of Elijah the Prophet and the false prophets of Baal to her class.
She explained how Elijah built the altar, put wood upon it, cut the steer in pieces, and laid it upon the altar. Then Elijah commanded the people of God to fill four barrels of water and pour the water over the altar. He had them do this four times.
"Now," said the teacher, "can anyone in the class tell me why the Lord would have Elijah pour water over the steer on the altar?"
A little girl raised her hand with great enthusiasm and said "To make the gravy!