Exodus 16:20-24

20However they hearkened not to Moses; but some of them left of it until the morning, and it bred worms, and stank: and Moses was angry with them. 21And they gathered it every morning, every man according to his eating: and when the sun became hot, it melted.

22And it came to pass, that on the sixth day they gathered twice as much bread, two omers for one man : and all the rulers of the congregation came and told Moses. 23And he said to them, This is that which the LORD hath said, To morrow is the rest of the holy sabbath to the LORD: bake that which ye will bake to day, and boil that ye will boil; and that which remaineth over lay up for you to be kept until the morning. 24And they laid it up till the morning, as Moses ordered: and it did not stink, neither was there any worm in it.