Approximately 90/10. If you don't eat the fat in the ground beef, the tallow that renders off the meat (a superfood for both inside and outside your body!) should be saved for future frying or sautéing, making lotion or even candles!
"I’m telling you I’ve never had better ground beef in my life!! It amplifies the flavor of every dish with a rich beefy flavor; it has so much depth!" –Valarie R.