Heat the oil in a large skillet over medium heat. Add the onions and bell peppers and cook until tender but not mushy, about 15 minutes. Season with salt and pepper.
Drizzle a little olive oil in a large skillet and cook the sausages over medium heat until golden brown and cooked through. Mix in the peppers and onions and divide among the rolls.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.