Exodus 12:8

8They shall eat the flesh that night, roasted on the fire; with aunleavened bread and bitter herbs they shall eat it.

Leviticus 2:4

4“When you bring a grain offering baked in the oven as an offering, it shall be bunleavened loaves of fine flour mixed with oil or unleavened wafers smeared with oil.

Leviticus 6:20-22

20 c“This is the offering that Aaron and his sons shall offer to the Lord on the day when he is anointed: a dtenth of an ephah
An  ephah was about 3/5 bushel or 22 liters
of fine flour as a regular grain offering, half of it in the morning and half in the evening.
21It shall be made with oil fon a griddle. You shall bring it gwell mixed, in baked
The meaning of the Hebrew is uncertain
pieces like a grain offering, and offer it for a pleasing aroma to the Lord.
22The priest from among Aaron’s sons, who is anointed to succeed him, shall offer it to the Lord as decreed forever. iThe whole of it shall be burned.

Leviticus 8:2

2Take Aaron and his sons with him, and jthe garments and kthe anointing oil and the bull of the sin offering and the two rams and the basket of unleavened bread.

1 Corinthians 5:7

7Cleanse out the old leaven that you may be a new lump, as you really are unleavened. For Christ, our Passover lamb, has been sacrificed.
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