Cook pasta according to package directions. Drain and keep warm.
Crumble the sausage into a large skillet and saute for 5-6 minutes or
until it has browned.
Add the olive oil, red pepper, green pepper, and onions to the skillet and saute for 4-5 minutes.
Add the garlic cloves, Italian herbs, and tomatoes to the pan and
cook for 3 minutes.
Stir in the marinara sauce and cream cheese. Mix until the cream cheese is melted.
Serve the sausage and peppers sauce over top of the bow tie pasta. Sprinkle with Parmesan cheese if desired.