1. Lightly grease a 9 x 9 x 3-inch oven proof dish.
2. Preheat oven to 350°F.
3. Pour enough Alfredo sauce to cover the bottom bottom of the casserole (approx 1/2 ).
4. Top with a single layer of ravioli, a third of the mushrooms and 1/3 of the mozzarella.
5. Sprinkle with 1/3 of the chili flakes and 1/3 garlic, season with salt & pepper.
6. Repeat layers saving 1/3 of the mozzarella & the parmesan.
7. On the last layer pour in the chili sauce spreading it evenly over the top.
8. Cover the casserole with foil; bake for 45 minutes, remove foil.
9. Top with remaining mozzarella & the parmesan, continue to bake uncovered for approx 15 minutes or until the top is beautifully browned.
10. Rest 10 minutes and serve.