Ezekiel 44:30
"And the first of all the firstfruits of all things, and every oblation of all, of every sort of your oblations, shall be the priest’s: ye shall also give unto the priest the first of your dough, that he may cause the blessing to rest in thine house."
Cross References (ranked by relevance)
And Azariah the chief priest of the house of Zadok answered him, and said, Since the people began to bring the offerings into the house of the LORD, we have had enough to eat, and have left plenty: for the LORD hath blessed his people; and that which is left is this great store.
The firstfruit also of thy corn, of thy wine, and of thine oil, and the first of the fleece of thy sheep, shalt thou give him.
Because all the firstborn are mine; for on the day that I smote all the firstborn in the land of Egypt I hallowed unto me all the firstborn in Israel, both man and beast: mine shall they be: I am the LORD.
Of his own will begat he us with the word of truth, that we should be a kind of firstfruits of his creatures.
That thou shalt set apart unto the LORD all that openeth the matrix, and every firstling that cometh of a beast which thou hast; the males shall be the LORD’s.
The first of the firstfruits of thy land thou shalt bring into the house of the LORD thy God. Thou shalt not seethe a kid in his mother’s milk.
Sanctify unto me all the firstborn, whatsoever openeth the womb among the children of Israel, both of man and of beast: it is mine.
Thou shalt not delay to offer the first of thy ripe fruits, and of thy liquors: the firstborn of thy sons shalt thou give unto me.