Recipe my wife uses for backstrap is put in crockpot, In a bowl pour in 1 large can of cream of mushroom soup, 1 can of water and 1 packet of any Liptons onion soup mix. Stir until well blended. Pour over backstrap in crockpot, Put lid on, turn on high . 6-8 hours later you can pull it apart with a fork. Makes its own gravy. Guaranteed good every time.