Step 1

Preheat oven to 375 degrees F.

Step 2

In a large pot of boiling water cook penne pasta until al dente.

Step 3

While pasta cooks brown Italian sausage in a skillet. Cook fully and drain grease.

Step 4

Drain pasta and pour into a large bowl.

Step 5

Add 2 cups mozzarella, pizza sauce, diced tomatoes, green peppers, onions, mushrooms, and cooked Italian sausage. Toss until fully combined.

Step 6

Grease a 13x9 inch casserole dish and pour mixture into it.

Step 7

Top with remaining cheese, pepperonis, black olives and Parmesan cheese.

Step 8

Cover with foil and bake for 30 minutes. After 30 minutes remove foil and continue to bake for an additional 10 minutes or until cheese is fully melted.

Step 9

Enjoy!