Leviticus 2:4

Processed Grain Offerings

2:4 “‘When you present an offering of grain baked in an oven, it must be made of choice wheat flour baked into unleavened loaves mixed with olive oil or unleavened wafers smeared with olive oil.

Leviticus 6:16

6:16 Aaron and his sons are to eat what is left over from it. It must be eaten unleavened in a holy place; they are to eat it in the courtyard of the Meeting Tent.

Numbers 6:15

6:15 and a basket of bread made without yeast, cakes of fine flour mixed with olive oil, wafers made without yeast and smeared with olive oil, and their grain offering and their drink offerings.