Cooking the Sirloin Steaks:
1. Pre heat your grill or barbeque on the highest setting.
2. Season the steaks and brush with a little sunflower oil.
3. Cook to your preference basting with the glaze.
4. Allow to rest before serving.
Method for the Jack Daniels glaze:
1. Mix all the ingredients for the Jack Daniels glaze together in a saucepan.
2. Over a low heat stir until the mixture boils.
3. Simmer gently until reduced by a quarter.