Classic Chicken Tetrazzini Recipe

Creamy chicken, mushrooms, and pasta baked with Parmesan for a comforting, crowd-pleasing casserole.

Chicken Tetrazzini is a rich, comforting baked pasta dish made with tender chicken, mushrooms, creamy sauce, and linguine, topped with Parmesan and breadcrumbs for a golden finish. It’s a classic casserole that’s perfect for family dinners or meal prepping.

Ingredients

  • 9 tablespoons butter

  • 2 tablespoons olive oil

  • 4 boneless skinless chicken breasts

  • 2 1/4 teaspoons salt

  • 1 1/4 teaspoons freshly ground black pepper

  • 1 pound white mushrooms, sliced

  • 1 large onion, finely chopped

  • 5 cloves garlic, minced

  • 1 tablespoon chopped fresh thyme leaves

  • 1/2 cup dry white wine

  • 1/3 cup all-purpose flour

  • 4 cups whole milk (room temperature)

  • 1 cup heavy whipping cream (room temperature)

  • 1 cup chicken broth

  • 1/8 teaspoon ground nutmeg

  • 12 ounces linguine

  • 3/4 cup frozen peas

  • 1/4 cup chopped fresh Italian parsley

  • 1 cup grated Parmesan cheese

  • 1/4 cup dried Italian-style breadcrumbs

Instructions

1. Prepare the Oven and Dish

Preheat your oven to 450°F (232°C).

Spread 1 tablespoon butter over a 13×9-inch baking dish.

2. Cook the Chicken

In a large skillet, melt 1 tablespoon butter with 1 tablespoon olive oil over medium-high heat.

Season the chicken with 1/2 teaspoon salt and 1/2 teaspoon pepper.

Cook chicken about 4 minutes per side until lightly golden and cooked through.

Transfer to a plate, let cool slightly, then shred into bite-size pieces and place in a large bowl.

3. Cook the Mushrooms

In the same pan, add 1 tablespoon butter and 1 tablespoon olive oil.

Add the mushrooms and sauté until their liquid evaporates and they turn lightly golden, about 12 minutes.

Add:

  • onion

  • garlic

  • thyme

Cook until onions become translucent, about 8 minutes.

Add white wine and simmer until it evaporates (about 2 minutes).

Transfer the mixture to the bowl with the chicken.

4. Make the Cream Sauce

In the same pan, melt 3 tablespoons butter over medium-low heat.

Whisk in the flour and cook for 2 minutes.

Gradually whisk in:

  • milk

  • heavy cream

  • chicken broth

  • nutmeg

  • remaining 1 3/4 teaspoons salt

  • remaining 3/4 teaspoon pepper

Bring to a boil, then simmer about 10 minutes, whisking frequently, until slightly thickened.

5. Cook the Pasta

Bring a large pot of salted water to a boil.

Cook linguine until tender but still firm, about 9 minutes.

Drain well.

6. Combine Ingredients

Add the following to the bowl with the chicken and mushrooms:

  • cooked linguine

  • cream sauce

  • frozen peas

  • parsley

Toss everything together until evenly coated.

7. Assemble the Casserole

Transfer the mixture into the prepared baking dish.

In a small bowl, mix:

  • Parmesan cheese

  • breadcrumbs

Sprinkle evenly over the pasta mixture.

Dot the top with the remaining 3 tablespoons butter.

8. Bake

Bake uncovered for about 25 minutes, until the top is golden brown and bubbling.

Let rest a few minutes before serving.

Serving Tips

Chicken Tetrazzini pairs well with:

  • A crisp green salad

  • Garlic bread

  • Roasted vegetables like broccoli or asparagus

Leftovers keep well in the refrigerator for 3–4 days and can be reheated in the oven or microwave.

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