Leviticus 24:5
"And thou shalt take fine flour, and bake twelve cakes thereof: two tenth deals shall be in one cake."
Cross References (ranked by relevance)
And thou shalt set upon the table shewbread before me alway.
And Elijah took twelve stones, according to the number of the tribes of the sons of Jacob, unto whom the word of the LORD came, saying, Israel shall be thy name:
And he set the bread in order upon it before the LORD; as the LORD had commanded Moses.
Unto which promise our twelve tribes, instantly serving God day and night, hope to come. For which hope’s sake, king Agrippa, I am accused of the Jews.
James, a servant of God and of the Lord Jesus Christ, to the twelve tribes which are scattered abroad, greeting.
How he entered into the house of God, and did eat the shewbread, which was not lawful for him to eat, neither for them which were with him, but only for the priests?