- A 350°F oven is recommended. Prepare baking dish(9x13) by spraying it with butter oil cooking spray. Put aside. 
- Use a large bowl to combine the soups, salt, pepper, butter, onion powder, sour cream, garlic powder, and other ingredients. 
- Chicken, noodles, and peas are added along with one cup of the mozzarella cheese; combine, tossing to thoroughly coat. 
- Pour the mixture into the baking dish that has been prepared and top with the remaining Parmesan, cheddar, and mozzarella cheeses. 
- After baking for thirty minutes with the foil covering it, take off the cover and bake the casserole for a further fifteen minutes, or until the cheese has melted. 
- Take out and top with parsley. 
- Wait 5 to 10 minutes. 
- Dispense and savor!