1.   Place the sausages on an oiled baking tray.

2.   Place a sausage or split sausage in each toasted roll and top with a generous portion of the onion mixture.

3.   Place sausage in a large skillet and cover with water.

4.   Place sausage in a medium skillet.

5.   Place sausages on the grill.

6.   Place a sausage in each roll and top with desired amount of mozzarella cheese.

7.   Place sausage in the skillet and add water to cover sausage.

8.   Place the sausage on a baking sheet and lightly prick the skins.