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Chicken Tetrazzini

Creamy Chicken Tetrazzini with mushrooms and spaghetti noodles served in a bowl, garnished with fresh parsley.

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A creamy baked pasta casserole featuring tender chicken, spaghetti, mushrooms, and a rich cheese sauce. This Chicken Tetrazzini is an easy, comforting dish perfect for family dinners or make-ahead meals.

Ingredients

Scale
  • 2 cups cooked shredded chicken
  • 12 oz spaghetti, cooked al dente
  • 1 cup sliced mushrooms
  • 3 tbsp butter
  • 3 tbsp all-purpose flour
  • 2 cups chicken broth
  • 1 cup heavy cream
  • 1/2 cup sour cream (optional)
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated parmesan cheese
  • 1 cup frozen peas (optional)
  • 1 small onion, diced
  • 2 cloves garlic, minced
  • Salt and pepper to taste
  • 2 tbsp olive oil
  • 1/2 cup breadcrumbs (optional topping)

Instructions

  1. Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. Cook spaghetti in salted water until al dente, then drain and toss lightly with olive oil.
  3. In a skillet, melt butter over medium heat. Add onions and mushrooms; sauté until softened.
  4. Stir in flour and cook for 1 minute to form a roux. Gradually whisk in chicken broth and cream until smooth.
  5. Add garlic, salt, and pepper. Simmer for 3–4 minutes until slightly thickened.
  6. In a large bowl, combine cooked pasta, shredded chicken, peas, and sauce. Stir in half of the mozzarella and parmesan.
  7. Transfer mixture to the prepared baking dish. Top with remaining cheese and breadcrumbs if desired.
  8. Bake uncovered for 25–30 minutes or until bubbly and golden brown.
  9. Remove from oven, let rest for 5 minutes, then serve warm.

Notes

  • Use rotisserie chicken for quick prep.
  • Substitute leftover turkey for chicken during the holidays.
  • Add a splash of white wine to the sauce for richer flavor.
  • Can be assembled a day ahead and refrigerated before baking.
  • Freeze leftovers for up to 3 months in airtight containers.

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