1. Add a small amount of oil to the pan and fry the sausages.
2. A lot of oil will be produced when the sausage is fried for a while. Turn the sausage properly to make it more evenly heated. When the sausage hardens and the outer skin is browned, you can go abroad. Put it on the blotting paper to absorb the oil.
3. Put it in the bread, put some tomato sauce on it, and you're ready to eat.
You can also stir-fry some onions and add it to it to make it more fragrant.