Sandyfanny, from reading your posts, it looks as though you are a super cook.
This is only the second time I've cooked beef liver. I'm more used to chicken livers. I asked a few folks, and they said, "Bacon and onions!". So, browned onions, lightly cooked bacon. Push those to the edge of the skillet. Turn skillet on high, sear the liver, flip, sear. Check for doneness. I like well cooked meat. Some like pink on the inside, some red. Some like seared outsides and blood juices inside, dripping.
I cooked the whole package, and then, ate my 2.5-3 ounces. Put some in a jar for tomorrow, and most of it got put into the freezer. The part that went into the freezer is just enough done that I can cook it again for a short bit and it won't be overcooked.
The first package I bought tasted a bit strong to me. This package was very mild. I think adding butter to the bacon fat helped.
I'm trying to make sure I get liver, egg yolks and meat/bone broths as staples in my food plan.