Tetrazzini Recipe

Name: Tetrazzini
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 6 servings
Cuisine: Italian-American
Ingredients: 8 oz spaghetti; 2 tbsp unsalted butter; 8 oz cremini mushrooms, sliced; 1 small onion, finely chopped; 2 cloves garlic, minced; 3 tbsp all-purpose flour; 2 cups chicken broth; 1 cup heavy cream; 1/2 cup dry white wine (optional); 1 cup grated Parmesan cheese, divided; 2 cups cooked chicken, shredded or diced; 1/2 cup frozen peas, thawed; 1/2 tsp salt; 1/4 tsp black pepper; 1/4 tsp nutmeg; 1/4 cup breadcrumbs (optional)

Italian-American · Main course · 50 min total

Tetrazzini recipe videos

A classic American comfort food casserole featuring spaghetti, chicken, and mushrooms in a creamy Parmesan sauce, baked until golden and bubbly.

20
min prep

30
min cook

6
servings

520
kcal/serving

Ingredients

8 oz spaghetti
2 tbsp unsalted butter
8 oz cremini mushrooms, sliced
1 small onion, finely chopped
2 cloves garlic, minced
3 tbsp all-purpose flour
2 cups chicken broth
1 cup heavy cream
1/2 cup dry white wine (optional)
1 cup grated Parmesan cheese, divided
2 cups cooked chicken, shredded or diced
1/2 cup frozen peas, thawed
1/2 tsp salt
1/4 tsp black pepper
1/4 tsp nutmeg
1/4 cup breadcrumbs (optional)

Instructions

Preheat oven to 375°F (190°C). Grease a 9x13-inch baking dish.
Cook spaghetti according to package directions until al dente. Drain and set aside.
In a large skillet, melt butter over medium heat. Add mushrooms and onion; cook until mushrooms are browned and onion is soft, about 5-7 minutes. Add garlic and cook 1 minute more.
Sprinkle flour over the mushroom mixture and stir constantly for 1-2 minutes until well combined.
Gradually whisk in chicken broth, heavy cream, and wine (if using). Bring to a simmer, stirring constantly, until sauce thickens, about 3-5 minutes.
Remove from heat. Stir in 3/4 cup Parmesan cheese until melted. Add chicken, peas, salt, pepper, and nutmeg. Mix well.
Combine the sauce with the cooked spaghetti. Transfer to the prepared baking dish. Sprinkle remaining 1/4 cup Parmesan cheese and breadcrumbs (if using) on top.
Bake for 20-25 minutes until bubbly and golden on top. Let rest 5 minutes before serving.

Tips

For a richer flavor, use a mix of Parmesan and Gruyère cheese.
Substitute cooked turkey or shrimp for chicken.
Leftovers can be refrigerated for up to 3 days and reheated in the oven.
To make ahead, assemble the casserole (without baking) and refrigerate; bake as directed, adding 10 minutes to the baking time.

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