Slice the bell pepper and onion into thin strips, and mince the garlic cloves.

In a large skillet, heat 2 tablespoons of olive oil over medium heat. Add the Italian sausage links and cook for 8–10 minutes until browned. Remove and slice into pieces.

In the same skillet, add more olive oil if necessary and sauté the sliced bell peppers, onions, and minced garlic with salt and pepper for 7–10 minutes.

Return the sliced Italian sausages to the skillet, add the Italian seasoning, and mix well. Cook for an additional 2 minutes.

Slice the sub rolls lengthwise, fill with the sausage and pepper mixture, ensuring each bite is packed with flavor.

Top with provolone or mozzarella cheese and broil or bake in the oven at 375°F for 4–5 minutes until the cheese is melted.

Garnish with fresh basil leaves, balsamic glaze, and hot cherry peppers if desired.

Serve your Italian Sausage Peppers Subs family-style or in smaller sliders for gatherings.