Bel 1:27

27 So Daniel took some tar, some fat, and some hair and boiled them all together. He made cakes out of the mixture and fed them to the dragon. When the dragon ate them, it swelled up and burst open. "That's the kind of thing you Babylonians worship," said Daniel.

Bel 1:27 In-Context

25 "I worship the Lord," replied Daniel. "He is the only living God.

26 And if Your Majesty will give me permission, I will kill this dragon of yours without using a sword or a club." "You have my permission," answered the king.

27 So Daniel took some tar, some fat, and some hair and boiled them all together. He made cakes out of the mixture and fed them to the dragon. When the dragon ate them, it swelled up and burst open. "That's the kind of thing you Babylonians worship," said Daniel.

28 When the people of Babylon heard what had happened, they staged an angry demonstration against the king. "The king has become a Jew," they shouted. "First he destroyed Bel and slaughtered the priests, and now he has killed our dragon."

29 They went to the king and demanded that Daniel be handed over to them. "If you refuse," they warned the king, "we will put you and your family to death."