Chicken Tetrazzini Casserole

Chicken Tetrazzini Casserole is a classic comfort food that combines tender chicken, spaghetti or linguine, and a rich, creamy mushroom sauce topped with melted cheese and breadcrumbs. Originating from Italian-American cuisine, this dish is perfect for family dinners, potlucks, or cozy nights at home.

The creamy sauce, tender chicken, and perfectly cooked pasta create a comforting, flavorful combination that’s both hearty and satisfying. Topped with a golden, cheesy crust, this casserole offers a restaurant-quality taste in the comfort of your own kitchen.

Why I Love This Recipe

I love this recipe because it’s a complete, satisfying meal in one dish. The creamy sauce envelopes the chicken and pasta perfectly, while the cheese and breadcrumb topping adds a delightful crunch. It’s a dish that brings warmth and comfort, ideal for chilly evenings or when you need a meal that feels like a hug in food form.

It’s also versatile—use leftover roasted chicken, add different vegetables, or adjust the cheese blend. The combination of flavors, textures, and ease of preparation makes it a go-to recipe for special dinners or weeknight meals alike.

Why It’s a Must-Try Dish

• Classic comfort food with creamy, cheesy goodness.
• Quick and easy to prepare using cooked chicken and pantry staples.
• Perfect for family dinners, gatherings, or potlucks.
• Versatile and customizable with different vegetables or cheeses.
• Rich, flavorful, and satisfying—guaranteed to please everyone.

Recipe Details

• Preparation Time: 20 minutes
• Cooking Time: 30–35 minutes
• Total Time: 50–55 minutes
• Servings: 6
• Course: Main Course
• Cuisine: Italian-American / Comfort Food
• Estimated Calories: 450–550 per serving

Ingredients

For the Casserole:

• 2 cups cooked chicken, shredded or diced
• 8 oz (225 g) spaghetti or linguine, cooked and drained
• 2 tablespoons butter
• 2 tablespoons all-purpose flour
• 2 cups milk (whole or 2%)
• 1 cup chicken broth
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• ½ teaspoon salt
• ¼ teaspoon black pepper
• 1 cup mushrooms, sliced
• 1 cup frozen peas (optional)
• 1 cup shredded mozzarella cheese
• ½ cup grated Parmesan cheese

For the Topping:

• ½ cup breadcrumbs
• 2 tablespoons butter, melted
• ¼ cup shredded Parmesan cheese

Cooking Directions

1. Preheat oven to 375°F (190°C).
2. In a large skillet, melt butter over medium heat. Add mushrooms and sauté until tender.
3. Stir in flour to create a roux and cook for 1 minute. Gradually whisk in milk and chicken broth until smooth.
4. Add garlic powder, onion powder, salt, and pepper. Cook for 3–4 minutes until sauce thickens.
5. Stir in cooked chicken, cooked pasta, and peas (if using). Mix well.
6. Transfer mixture to a greased 9×13-inch baking dish. Top with mozzarella and Parmesan cheese.
7. In a small bowl, combine breadcrumbs, melted butter, and Parmesan for the topping. Sprinkle evenly over the casserole.
8. Bake for 25–30 minutes until bubbly and golden brown on top. Let rest 5 minutes before serving.

Step-by-Step Preparation Method

1. Preheat oven: 375°F (190°C).
2. Cook mushrooms: Sauté in butter until tender.
3. Make sauce: Stir in flour, then gradually whisk in milk and chicken broth. Add seasonings and cook until thickened.
4. Add chicken and pasta: Stir in shredded chicken, cooked pasta, and peas.
5. Assemble casserole: Transfer mixture to baking dish and top with shredded mozzarella and Parmesan.
6. Prepare topping: Combine breadcrumbs, melted butter, and Parmesan. Sprinkle over casserole.
7. Bake: 25–30 minutes until golden and bubbly.
8. Rest and serve: Let sit 5 minutes before slicing.

How to Serve

• Serve warm as a hearty main dish.
• Pair with a crisp green salad or garlic bread.
• Garnish with fresh parsley for color.

Recipe Tips

• Use rotisserie or leftover chicken for convenience.
• Precook pasta al dente to prevent it from becoming mushy.
• Add vegetables like bell peppers, broccoli, or spinach for extra nutrition.
• Use a mix of cheeses for richer flavor, such as Gruyère or cheddar.
• Let the casserole rest briefly before serving to set.

Variations

Vegetable Tetrazzini: Omit chicken and add mushrooms, zucchini, and bell peppers.
Spicy Tetrazzini: Add red pepper flakes or a dash of hot sauce to the sauce.
Creamier Version: Stir in cream cheese or heavy cream to the sauce.
Gluten-Free: Use gluten-free pasta and flour.
Cheese Lovers: Add extra mozzarella or fontina on top for a cheesy crust.

Freezing & Storage

• Refrigerator: Store leftovers in an airtight container for 3–4 days.
• Freezing: Assemble the casserole (without topping) and freeze for up to 2 months. Thaw overnight and bake with breadcrumbs and cheese topping.

Special Equipment Needed

• Large skillet or saucepan
• 9×13-inch baking dish
• Whisk for sauce
• Knife and cutting board

FAQ

Q: Can I use rotisserie chicken?
Yes, shredded rotisserie chicken works perfectly and saves time.

Q: Can I make this ahead of time?
Yes, assemble the casserole and refrigerate for up to 24 hours before baking.

Q: Can I use different pasta?
Yes, linguine, spaghetti, fettuccine, or penne all work well.

Q: Can I make it gluten-free?
Yes, use gluten-free pasta and a gluten-free flour for the sauce.

Q: Can I add more vegetables?
Absolutely! Broccoli, bell peppers, or spinach can be added to boost nutrition.

Conclusion

Chicken Tetrazzini Casserole is a comforting, creamy, and flavorful dish that combines tender chicken, pasta, and a rich mushroom sauce in a cheesy, golden-baked casserole. Quick to prepare, customizable, and perfect for family dinners or gatherings, this casserole is a must-try classic that will satisfy both kids and adults alike. Its creamy texture, cheesy topping, and hearty ingredients make it a timeless comfort food favorite.