Put the rosemary leaves in a pestle and mortar and gently work them to release their oil. If using fresh leaves then chop them small and if using dried grind a little more to reduce to a coarse powder.

Spray the lamb steaks with Spray2Cook.and season with ground black pepper. Put a fry pan on high and when it is hot enough to make a short spray of Spray2Cook instantly bubble add the steaks. Fry off on each side for 3 minutes. This will leave the inside red. Check by cutting into the side of a steak with a pair of cooks scissors. If you prefer the steak more well done leave in the pan turning every minute.

Timing to be ready when the lamb is cooked, make the sauce. Microwave the onion sprayed with Spray2Cook for 5 minutes. Put the onion in a pan on medium to high heat sprayed with Spray2Cook and sprinkle with the rosemary. Stir well, heat through for 3 minutes, and then add the stock, the garlic powder and the pepper. Blend the cornstarch with a little water (adding slowly) and then add the blended cornstarch to the pan as it just starts to bubble. Allow it boil before turning down the hea...

Serve the lamb with the sauce.