Italian Baked Penne - cooking recipe

Ingredients

1 lb penne rigate noodles
1 lb ground Italian sausage
1 onion, chopped
2 garlic cloves, crushed
8 ounces mushrooms, drained
1/4 teaspoon black pepper
1 1/2 teaspoons italian seasoning
14 1/2 ounces italian style diced tomatoes
29 ounces crushed tomatoes (two 14.5 oz cans)
3 cups loosely packed fresh spinach, roughly chopped
8 ounces mozzarella cheese (cubed)
1 cup grated parmesan cheese, divided

Preparation

Preheat oven to 425 degrees.
Prepare pasta as directed on package until al dente, about 8 minutes. Drain and return to the pan.
While pasta is cooking, heat large skillet, add sausage, onion, and garlic. Saute' until sausage is cooked through. Drain off any grease. Add mushrooms and saute' 3 minutes. Add pepper, italian seasoning and tomatoes to pan. Simmer, stirring occassionally, about 8 minutes.
Combine sausage mixture to pasta, spinach, mozzarella cheese and 1/3 cup of parmesan cheese.
Pour into 13x9 glass baking dish. Top casserole with remaining 2/3 cup parmesan cheese.
Bake uncovered 15 minutes or until cheese is melted and sauce is bubbling.