Ingredients

• 8 Italian sausage links
• 1 (16 ounce) jar marinara sauce for dipping
• 2 tablespoons olive oil
• 1 onion, sliced
• 1 red bell pepper, sliced
• 1 jalapeno pepper, sliced
• 1 goat horn pepper or other hot green chile, sliced
• 4 Italian-style hoagie buns, split lengthwise
• 1 (8 ounce) container mascarpone cheese, divided
• ¼ cup garlic basil spread, divided (see footnote for recipe link)
• ½ cup grated Parmesan cheese