'Unleavened' in the Bible

"'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.

If your offering is a grain offering made on the griddle, it must be choice wheat flour mixed with olive oil, unleavened.

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.

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.

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

and from the basket of unleavened bread that was before the Lord he took one unleavened loaf, one loaf of bread mixed with olive oil, and one wafer, and placed them on the fat parts and on the right thigh.

Then Moses spoke to Aaron and to Eleazar and Ithamar, his remaining sons, "Take the grain offering which remains from the gifts of the Lord and eat it unleavened beside the altar, for it is most holy.

Then on the fifteenth day of the same month will be the festival of unleavened bread to the Lord; seven days you must eat unleavened bread.