Exodus 34:26

34:26 You shall bring the first of the first fruits of your ground to the house of Yahweh your God. You shall not boil a young goat in its mother's milk."
-World English Bible

Other Translation

34:26 The first of the firstfruits of thy land thou shalt bring unto the house of the LORD thy God. Thou shalt not seethe a kid in his mother's milk.
-King James Version