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Chicken Tetrazzini

A baking dish filled with creamy chicken tetrazzini, topped with melted cheese and chopped parsley, with a serving spoon inside.

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Chicken Tetrazzini is a creamy, cheesy baked pasta casserole made with tender chicken, mushrooms, and spaghetti in a rich sauce. This comforting dish is easy to make, freezer-friendly, and perfect for family dinners or gatherings.

  • Author: Emily
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 50 minutes
  • Yield: 6 servings
  • Category: Main Course
  • Method: Baking
  • Cuisine: American
  • Diet: Halal

Ingredients

  • 12 oz spaghetti or linguine
  • 3 cups cooked shredded chicken (rotisserie or baked)
  • 2 tablespoons butter
  • 1 small onion, finely chopped
  • 1 cup sliced mushrooms
  • 2 cloves garlic, minced
  • 2 tablespoons all-purpose flour
  • 1 cup chicken broth
  • 1 (10.5 oz) can cream of mushroom soup
  • 1 cup sour cream
  • 1/4 cup dry white wine (optional)
  • 1 cup grated Parmesan cheese (divided)
  • 1/2 cup milk (optional, to loosen sauce)
  • 1/2 cup breadcrumbs or crushed crackers
  • 2 tablespoons butter, melted (for topping)
  • Salt and pepper to taste
  • Chopped parsley, for garnish

Instructions

  1. Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. Cook pasta in salted boiling water until al dente. Drain and set aside.
  3. In a skillet, melt butter over medium heat. Add onions and mushrooms, cooking until soft and golden.
  4. Stir in garlic and flour, cooking for 1 minute to form a roux.
  5. Whisk in chicken broth, cream of mushroom soup, sour cream, and wine until smooth and creamy.
  6. Stir in 1/2 cup Parmesan cheese and season with salt, pepper, and nutmeg (optional).
  7. Add shredded chicken and pasta to the sauce, mixing until well coated.
  8. Pour mixture into prepared baking dish. Top with remaining Parmesan and breadcrumbs mixed with melted butter.
  9. Bake uncovered for 25–30 minutes or until golden and bubbly.
  10. Let cool 5 minutes before serving. Garnish with chopped parsley and enjoy!

Notes

  • Use rotisserie chicken for a quick and flavorful shortcut.
  • Cover with foil for the first 15 minutes to prevent drying out.
  • To make ahead, assemble the casserole and refrigerate for up to 2 days before baking.
  • Freezes well for up to 3 months—thaw overnight before baking.
  • Add vegetables like peas, spinach, or broccoli for extra nutrition.