Exodus 16:31-36

The house of Israel named it manna, and it was like coriander seed, white, and its taste was like wafers with honey. Then Moses said, “This is what the LORD has commanded, ‘Let an omerful of it be kept throughout your generations, that they may see the bread that I fed you in the wilderness, when I brought you out of the land of Egypt.’ ” Moses said to Aaron, “Take a jar and put an omerful of manna in it, and place it before the LORD to be kept throughout your generations.” As the LORD commanded Moses, so Aaron placed it before the Testimony, to be kept. The sons of Israel ate the manna forty years, until they came to an inhabited land; they ate the manna until they came to the border of the land of Canaan. (Now an omer is a tenth of an ephah.)