Exodus 23:17-19

New Revised Standard Version, Anglicised Catholic Edition

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 anything leavened, or let the fat of my festival remain until the morning.

¹⁹ The choicest of the first fruits of your ground you shall bring into the house of the Lord your God.

You shall not boil a kid in its mother’s milk.