Numbers 15:1-4

The LORD spoke to Moses, saying, “Speak to the people of Israel and say to them, When you come into the land you are to inhabit, which I am giving you, and you offer to the LORD from the herd or from the flock a food offering or a burnt offering or a sacrifice, to fulfill a vow or as a freewill offering or at your appointed feasts, to make a pleasing aroma to the LORD, then he who brings his offering shall offer to the LORD a grain offering of a tenth of an ephah of fine flour, mixed with a quarter of a hin of oil