When I was getting ready for my PhD program to study Indian philosophy, I figured I should get more acquainted with the classics, so I sat down to read through the Upaniṣads in their entirety. I was making my way through a passage about what a man should ask his wife to do if they want a good and learned son. I saw it advance through progressively better outcomes, a son who knows one Veda, two Vedas, three. And then it culminated in this passage:

‘I want a learned and famous son, a captivating orator assisting at councils, who will master all the Vedas and life out his full life span’—if this is his wish, he should get her to cook that rice with meat and the two of them should eat it mixed with ghee. The couple thus becomes capable of begetting such a son. The meat may be that of a young or a fully grown bull. (Bṛhadāraṇyaka Upaniṣad 6.4.18, Olivelle translation)

I was startled. One of the first things you would typically learn in “Hinduism 101” is that “Hindus” are supposedly forbidden from eating beef, that that is one of the key requirements of their “religion”. And that certainly fit my own experience with the Indian side of my family, who consider themselves Hindu and don’t eat beef. I had vaguely heard of D.N. Jha’s The Myth of the Holy Cow, and its argued that the prohibition on eating beef was not as ancient as we think it is. But I hadn’t expected to encounter the very opposite – an instruction to eat cows right there in the Brḥadāraṇyaka Upaniṣad.