Italian Sausage Skillet

1 lb Italian sausage (either hot or mild)
1 large chopped onion
3-5 cloves minced garlic
1/2 cup chopped green pepper
5-6 chopped Roma tomatoes
1 lb sliced mushrooms
1-1/2 lbs small zucchini, sliced thinly
1 Tbsp dried oregano
1/4 tsp salt
1/4 tsp pepper
1/2 cup grated Parmesan cheese
1 (6 ounce) package sliced provolone cheese

Remove sausage from the casings and cook fully until browned in a large skillet, breaking up the sausage into small pieces as it cooks. Remove from heat, drain off any grease, and blot with paper towels. Return to medium heat and add chopped onion, garlic, green pepper, tomatoes, mushrooms, zucchini, and spices. Simmer until vegetable are as tender as you desire. Stir in Parmesan cheese. Place provolone cheese on top and allow to melt. Served with garlic bread or served over pasta.
Serves 6.