Step 1

In a large skillet over medium heat, heat oil until hot but not smoking.

Step 2

Add peppers, onion, and salt; cook 10 minutes, stirring occasionally. Add sausage and beer, if desired, and cook 10 to 15 more minutes, or until sausage is no longer pink in center, stirring occasionally.

Step 3

Evenly divide mixture onto hoagie rolls and serve immediately.