Easy Chicken Tetrazzini Casserole Recipe

Discover a creamy, comforting Chicken Tetrazzini Casserole recipe that’s quick to make and perfect for family dinners or potlucks. This classic dish combines tender chicken, rich sauce, tender pasta, and a crunchy topping for a satisfying meal that everyone will love. Whether you’re feeding a crowd or enjoying leftovers, this Chicken Tetrazzini Casserole is a dependable, delicious way to bring everyone together around the table.

Why You’ll Love This Recipe

• Effortless comfort food: It delivers creamy, cheesy goodness with minimal fuss, ideal for busy weeknights or cozy gatherings.
• Family-friendly flavors: Mild yet flavorful ingredients make it a hit with kids and adults alike.
• Versatile and adaptable: Easily customized with your favorite veggies, proteins, or seasonings.
• Great make-ahead option: Prepare in advance for stress-free meal times during hectic days.
• Feeds a crowd: This casserole stretches well and freezes beautifully, making leftovers just as tasty.

Ingredients You’ll Need

The beauty of this Chicken Tetrazzini Casserole is how simple but essential the ingredients are. Each element adds unique flavor and texture that come together to create a harmonious dish everyone will adore.

• Cooked chicken: Use shredded rotisserie or homemade chicken for tender, juicy bites.
• Spaghetti or linguine: Pasta holds the sauce well and adds heartiness to the casserole.
• Mushrooms: Provide earthy depth and a meaty texture that complements the chicken.
• Onion and garlic: Build savory flavor from the base of the sauce.
• Butter and flour: Create a roux that thickens the creamy sauce without lumps.
• Chicken broth and milk: Make the sauce rich yet light enough to coat every strand of pasta.
• Parmesan and mozzarella cheese: Melted cheese adds creaminess and a golden crust when baked.
• Breadcrumbs: Provide a crunchy topping that contrasts perfectly with the soft interior.
• Seasonings: Salt, pepper, and a touch of thyme or parsley enhance the overall flavor.

Variations for Chicken Tetrazzini Casserole

Feel free to customize your Chicken Tetrazzini Casserole to suit dietary needs, ingredient availability, or personal preferences. This recipe welcomes creativity in the best way possible.

• Vegetarian swap: Replace chicken with extra mushrooms, zucchini, or artichoke hearts for a meatless delight.
• Gluten-free version: Use gluten-free pasta and substitute flour with cornstarch or a gluten-free thickener.
• Spicy twist: Add red pepper flakes or chopped jalapeños for a subtle kick.
• Different cheeses: Swap mozzarella for cheddar or Gruyère for a sharper flavor profile.
• Extra veggies: Stir in peas, broccoli florets, or bell peppers for color and nutrition.

How to Make Chicken Tetrazzini Casserole

Step 1: Prepare the pasta and chicken

Cook spaghetti or linguine according to package directions until al dente, then drain. Meanwhile, shred cooked chicken into bite-sized pieces and set aside.

Step 2: Sauté mushrooms, onion, and garlic

In a large skillet, melt butter and add chopped onions and garlic, cooking until translucent. Stir in sliced mushrooms and sauté until golden and tender, releasing their beautiful earthy aroma.

Step 3: Make the creamy sauce

Sprinkle flour over the sautéed veggies and stir constantly to form a roux. Slowly whisk in chicken broth and milk, cooking until thick and smooth. Season with salt, pepper, and fresh thyme or parsley.

Step 4: Combine chicken, pasta, and sauce

Remove sauce from heat and stir in shredded chicken and cooked pasta until everything is evenly coated with creamy goodness.

Step 5: Assemble and bake

Transfer the mixture to a greased casserole dish. Top with shredded mozzarella and Parmesan cheese, then sprinkle breadcrumbs on top for crunch. Bake in a preheated oven at 350°F (175°C) for 25 to 30 minutes until bubbly and golden.

Pro Tips for Making Chicken Tetrazzini Casserole

• Use rotisserie chicken: Saves time and adds flavorful, cooked meat with little effort.
• Don’t overcook pasta: Slightly undercook so it won’t become mushy during baking.
• Make a smooth roux: Stir continuously when adding flour and liquids to avoid lumps.
• Fresh herbs boost flavor: Adding fresh parsley or thyme brings brightness to the creamy casserole.
• Let it rest: Allow the casserole to cool for 5–10 minutes before serving for perfect portioning.

How to Serve Chicken Tetrazzini Casserole

Garnishes

Sprinkle chopped fresh parsley or basil over the casserole just before serving to add a pop of color and fresh flavor.

Side Dishes

Pair this rich casserole with a crisp green salad, steamed asparagus, or roasted vegetables to balance the creamy textures and add freshness to your plate.

Creative Ways to Present

Serve individual portions in ramekins for elegant single servings, or create mini casseroles in muffin tins for fun party-sized bites that everyone can enjoy.

Make Ahead and Storage

Storing Leftovers

Keep any leftover Chicken Tetrazzini Casserole covered in the refrigerator for up to 3 days. Reheat gently in the oven or microwave to retain its creamy texture.

Freezing

This casserole freezes beautifully. Assemble the dish, but don’t bake. Cover tightly with foil and freeze for up to 3 months. Thaw in the fridge overnight before baking as usual.

Reheating

Reheat single servings in the microwave or warm the entire casserole in a covered dish at 325°F (160°C) until heated through and bubbly again.

FAQs

Can I use leftover chicken for this recipe?

Absolutely! Leftover cooked chicken works perfectly for Chicken Tetrazzini Casserole and adds convenience to your meal prep.

What type of pasta is best for this casserole?

Spaghetti or linguine are traditional and hold up well in the creamy sauce, but feel free to use any long pasta you prefer.

Can I make this casserole dairy-free?

Yes, substitute milk with plant-based milk and use dairy-free cheese and butter alternatives to keep it creamy without dairy.

Is this recipe freezer friendly?

Definitely. Freeze the unbaked casserole covered until ready to cook, making it a perfect make-ahead meal for busy days.

How do I prevent the casserole from becoming too watery?

Ensure the sauce is thickened properly before baking and avoid overcooking the pasta to keep the texture just right.

Final Thoughts

You really can’t go wrong with this easy, comforting Chicken Tetrazzini Casserole. Its creamy texture, savory flavors, and versatility make it a true family favorite that works for weeknights, potlucks, and special occasions. Take a moment to try this recipe, customize it your way, and enjoy the warm smiles it brings everyone at the table.

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