Parashas Ki Sisa · Passuk 34:26
Torah Temimah points to classical source on this unit (verified).
English: “You shall not cook a kid in its mother’s milk” — the prohibition of meat and milk.
Derash on bikkurim and the classic basar bechalav prohibition.
The first of the first fruits of your land you shall bring to the house of Hashem your God. You shall not cook a kid in its mother’s milk.