This Overnight Chicken or Turkey Tetrazzini is a creamy, comforting pasta bake that’s perfect for using up Thanksgiving leftovers. The uncooked pasta softens overnight in a flavorful mix of broth, soups, and seasonings—no boiling required. Just mix, chill, and bake the next day for an easy, satisfying meal the whole family will love.
In a large bowl, add cooked chicken, cream of chicken soup, cream of mushroom soup, milk, chicken broth, onion powder, and garlic powder. Stir until combined. Add in uncooked pasta and stir until combined.
Pour into the prepared baking dish. Cover and refrigerate overnight.
Remove from refrigerator and uncover.
Preheat oven to 350 degrees.
Sprinkle with grated parmesan. Bake at 350 degrees, uncovered, for 1 hour.