"This is the offering of Aaron and his sons, which they shall offer to the LORD, beginning on the day when he is anointed: one-tenth of an ephah of fine flour as a daily grain offering, half of it in the morning and half of it at night.
Leviticus 6:20
Surrounding context
6:19 And the LORD spoke to Moses, saying,
6:20 "This is the offering of Aaron and his sons, which they shall offer to the LORD, beginning on the day when he is anointed: one-tenth of an ephah of fine flour as a daily grain offering, half of it in the morning and half of it at night.
6:21 It shall be made in a pan with oil. When it is mixed, you shall bring it in. The baked pieces of the grain offering you shall offer for a sweet aroma to the LORD.