** The lamb stock you will get after the lamb has been pressure cooked.
Instructions
Put enough water to cover the lamb. Pressure cook for 20 minutes. Set aside the stock. In a separate bowl mix 1 cup of the lamb stock, with the ketchup, garlic, tomato paste, onion, Worcestershire sauce and salt to taste.
Pour in a baking dish 12 x 8 x 2 inches and add the lamb. Bake at 350 degrees F for 25 minutes.