Offal is now considered gourmet. "Offal dishes—including foie...

Offal is now considered gourmet.
"Offal dishes—including foie gras, pâté and sweetbread—are considered gourmet food in international cuisine. Others remain part of traditional regional cuisine and may be consumed especially in connection with holidays. This includes Scottish haggis, Jewish chopped liver, U.S. chitterlings, Mexican menudo as well as many other dishes."

Chicken liver pate, I enjoy. Duck fat potatoes - yummy. Brains....yum. I always had them when young and they were cooked in a parsley sauce and very delicate. Sometimes, fried.