Cook pasta noodles according to package's instructions, drain, and toss with olive oil. Set aside.
Combine red bell peppers, chicken broth, and tomato sauce in a blender, blend until smooth, and set aside.
Add sausage to a large skillet, saute 2-3 minutes, breaking up with a spatula or wooden spoon as it cooks. Add onions and continue to saute 3-4 minutes longer until onions are tender and sausage is browned.
Stir in garlic for 1 minute until fragrant. Stir in Italian seasoning and flour.
Gradually stir in red pepper sauce, bring to a boil, then reduce to a simmer and cook for 5-8 minutes until reduced and thickened.
Stir in heavy cream and season with salt and pepper.
Stir in pasta noodles, then parmesan cheese til melted. Garnish with fresh herbs and cracked black pepper and serve.