Sear the sausage

• Heat a splash of oil in a large pot over medium-high heat.
• Sear the sausage links on all sides until browned.

Add the vegetables

• Add the chopped onion, bell peppers and garlic to the pot.
• Season with the Italian seasoning and stir to combine.

Deglaze with wine

• Pour in the wine and scrape up the browned bits from the bottom.

Add the tomatoes

• Pour in the crushed tomatoes and season with salt and pepper.
• Cut the sausage into bite-size pieces and return them to the pot.

Simmer

• Cover the pot and let it simmer, stirring occasionally, until the sauce thickens and the flavors meld.

Build the sandwich

• Spoon the sausage, peppers and onions into a seeded roll.
• Top with grated Parmesan and a slice of provolone.
• Optionally place in the oven to melt the cheese.