Deuteronomy 12:16 in the King James Version
Only ye shall not eat the blood; ye shall pour it upon the earth as water.
Context
15 Yet you may kill and eat meat within all your gates, after all the desire of your soul, according to the LORD your God’s blessing which he has given you. The unclean and the clean may eat of it, as of the gazelle and the deer.
16 Only you shall not eat the blood. You shall pour it out on the earth like water.
17 You may not eat within your gates the tithe of your grain, or of your new wine, or of your oil, or the firstborn of your herd or of your flock, nor any of your vows which you vow, nor your free will offerings, nor the wave offering of your hand;