Leviticus 7:12

7:12 If he presents it on account of thanksgiving, along with the thank offering sacrifice he must present unleavened loaves mixed with olive oil, unleavened wafers smeared with olive oil, and well soaked ring-shaped loaves made of choice wheat flour mixed with olive oil.

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 23:17

23:17 From the places where you live you must bring two loaves of bread for a wave offering; they must be made from two tenths of an ephah of fine wheat flour, baked with yeast, as first fruits to the Lord.