Read Exodus 23:18 Using Other Translations
Thou shalt not offer the blood of my sacrifice with leavened bread; neither shall the fat of my sacrifice remain until the morning.
"You shall not offer the blood of my sacrifice with anything leavened, or let the fat of my feast remain until the morning.
“You must not offer the blood of my sacrificial offerings together with any baked goods containing yeast. And do not leave the fat from the festival offerings until the next morning.