Ezekiel 44:7

44:7 When you bring foreigners, those uncircumcised in heart and in flesh, into my sanctuary, you desecrate it – even my house – when you offer my food, the fat and the blood. You have broken my covenant by all your abominable practices.

Ezekiel 44:15

The Levitical Priests

44:15 “‘But the Levitical priests, the descendants of Zadok who kept the charge of my sanctuary when the people of Israel went astray from me, will approach me to minister to me; they will stand before me to offer me the fat and the blood, declares the sovereign Lord.