Always use pork fat and not beef fat even for burger. If you are concerned about fat in your diet, you can have soy protien added. Soy protien holds the meat together like fat and gives it moisture. I add it to my father' s hamburger and sausage. He had a 5 way by-pass and really watches his fat intake. Most processors don' t carry it so you might need to either order it yourself from a company such as Mid Western or LEM etc... or ask your processor to order it for you. Good Luck!! -- CDH