Place a skillet over medium heat
Add a small amount of oil if needed
Put the sausages in the skillet in a single layer
Cook for 2 to 3 minutes per side until browned
Reduce heat to medium-low
Cover the skillet if the sausages are thick
Turn the sausages occasionally
Cook until the internal temperature reaches 160°F for pork or beef sausage, or 165°F for poultry sausage
Remove from the skillet
Let rest for a few minutes before serving