Exodus 23:18 in the King James Version
Thou shalt not offer the blood of my sacrifice with leavened bread; neither shall the fat of my sacrifice remain until the morning.
Context
17 Three times in the year all your males shall appear before the Lord GOD.
18 “You shall not offer the blood of my sacrifice with leavened bread. The fat of my feast shall not remain all night until the morning.
19 You shall bring the first of the first fruits of your ground into the house of the LORD your God. “You shall not boil a young goat in its mother’s milk.