Pasta Casserole

Ingredients

• 1 (1 lb.) box rigatoni, cooked in salted water until tender and drained
• 1 lb. hot Italian sausage (in bulk, not links)
• 1 large onion, chopped
• 1/4 lb. mushrooms, sliced
• 1 large red pepper, seeded and chopped
• 1 large can crushed tomatoes
• 1/3 c. red wine
• 1 tsp. dried oregano or Italian seasoning
• 1/2 c. freshly chopped parsley
• 1 1/2 c. shredded Mozzarella