Cheesy Chicken Spaghetti Casserole - chicken, spaghetti, cream of chicken soup, sour cream, butter, seasonings, Parmesan and cheddar cheese -THE BEST! We make this once a month! Makes a great freezer meal!
Combine first 12 ingredients. Spread into a lightly greased 9x13-inch dish (or 2 9x9-inch dishes). Top with cheddar cheese and breadcrumbs.
Bake uncovered for 45-60 minutes, until bubbly.
Can make casserole ahead of time and refrigerate or freeze for later.If baking after refrigerating, you may need to add a few minutes to the cooking time.To bake after freezing, thaw completely and bake as directed above.