Italian Sausage Hoagies

olive oil

unsalted butter

minced garlic

and 1/2 teaspoons Italian seasoning

hoagie buns

(about 10 ounces) Johnsonville Hot (or mild) Italian sausages

of 1 yellow onion, (diced)

minced garlic

of 1 large red pepper, (very thinly sliced)

of 1 large green pepper, (very thinly sliced (or use just 1 bell pepper))

chunky marinara sauce

Italian seasoning

Freshly cracked black pepper, (to taste)

heaping 1/2 cup freshly grated mozzarella cheese