1)cube or grind up the fat and put in a crock pot on LOW for 12-16hrs.
2)Take out large chunks.
3)Stretch a t-shirt over a container and pour liquid to get ride of solids.
4)Heat (not boil) in a container with about a gallon of water.
5)Cool and skim off oil.
6)Do #4 and #5 again.
7)Skim...