Numbers 15:20
You shall offer up a cake of the first of your dough for an heave offering: as you do the heave offering of the threshing floor, so shall you heave it.
Nave's Topical Index—AKJV

Nehemiah 10:37
And that we should bring the first fruits of our dough, and our offerings, and the fruit of all manner of trees, of wine and of oil, to the priests, to the chambers of the house of our God; and the tithes of our ground to the Levites, that the same Levites might have the tithes in all the cities of our tillage.
Nave's Topical Index—AKJV

Ezekiel 44:30
And the first of all the first fruits of all things, and every oblation of all, of every sort of your oblations, shall be the priest's: you shall also give to the priest the first of your dough, that he may cause the blessing to rest in your house.
Nave's Topical Index—AKJV