Spicy Penne with Sausage

Ingredients:
16 oz mild Italian sausage
1 medium chopped onion
16 oz penne pasta
2 Tbsp olive oil
2 cups sliced mushrooms
1 red bell pepper, chopped
1 small unpeeled eggplant, chopped (I use zucchini)
1 (16 oz) can Italian styled tomatoes
2 tsp dried basil
2 tsp dried oregano
1/2 tsp red pepper flakes
1/2 cup grated Parmesan cheese

Directions:
Cook sausage and onion.  Cook penne pasta as directed.  Heat oil in skillet over medium high heat, add mushrooms, bell pepper, and eggplant (or zucchini).  Cook until tender.  Stir in undrained tomatoes, basil, oregano, and red pepper flakes.  Simmer, stirring occasional about 30 minutes.  Stir in sausage, simmer about 5 minutes.  Remove from heat and add pasta.  Sprinkle with Parmesan cheese.

Recipe from unknown.