Leviticus 6:18-20

Young's Literal Translation

¹⁸ Every male among the sons of Aaron doth eat it -- a statute age-during to your generations, out of the fire-offerings of Jehovah: all that cometh against them is holy.'

¹⁹ And Jehovah speaketh unto Moses, saying,

²⁰ `This [is] an offering of Aaron and of his sons, which they bring near to Jehovah in the day of his being anointed; a tenth of the ephah of flour [for] a continual present, half of it in the morning, and half of it in the evening;