It can be used alone, or mixed with butter, a little lard or other good fats for cooking and frying. (ericbakker.com)
If you don't do bone marrow, other good fats are duck fat (a source of choline) and lard (a source of vitamin D3). (megangarcia.com)
4) Other good fats: Butter (from grass fed cows or made with raw milk, if you can get it)-- cook with it or spread it on brown rice toast as a bland snack if you're not feeling well. (maryvancenc.com)