Easy Chicken Tetrazzini Casserole Recipes

If you are looking for a comforting, creamy, and crowd-pleasing dish, Chicken Tetrazzini Casserole is an absolute winner. This classic casserole combines tender chicken, rich mushrooms, and spaghetti all baked together in a luscious, cheesy sauce that fills your kitchen with warming aromas. Whether you need a quick weeknight dinner or a make-ahead meal that feels like a special occasion, this recipe fits the bill perfectly and is easy to customize to your taste.

Why You’ll Love This Recipe

• Rich and Comforting: The creamy sauce paired with tender chicken and pasta makes every bite feel like a warm hug.
• Easy to Prepare: With simple ingredients and straightforward steps, you can whip this up even on busy days.
• Adaptable: It works beautifully with leftover chicken, vegetables, or even different pastas to suit what you have on hand.
• Family Friendly: Kids and adults alike tend to love the creamy texture and cheesy topping.
• Perfect for Leftovers: This casserole tastes even better the next day, making it ideal for meal prep and easy lunches.

Ingredients You’ll Need

The magic behind an unforgettable Chicken Tetrazzini Casserole lies in its simple yet harmonious ingredients. Each element brings a specific texture, flavor, or color that makes the dish truly shine.

• Cooked Chicken: Adds tender protein and savory depth—great for using leftovers or rotisserie chicken.
• Spaghetti or Thin Pasta: Provides the perfect base, soaking up the creaminess without getting mushy.
• Mushrooms: Offer a meaty texture and earthy flavor that balances the richness.
• Butter and Flour: Combine to create a smooth roux for thickening the sauce.
• Chicken Broth: Adds savory notes while keeping the sauce light and flavorful.
• Milk or Cream: Brings richness and smooth texture to the casserole.
• Parmesan and Mozzarella Cheese: A cheesy duo that melts perfectly, adding saltiness and gooey goodness.
• Onions and Garlic: Provide a foundational aromatic punch that enhances every bite.
• Breadcrumbs (optional): Sprinkle on top for a satisfyingly crispy crust.
• Salt, Pepper, and Herbs: Essential to season and brighten the dish’s flavors.

Variations for Chicken Tetrazzini Casserole

This dish is wonderfully versatile, allowing you to make tweaks based on dietary needs or simply switch up the flavor profile to keep things exciting.

• Vegetarian Version: Substitute chicken with sautéed mushrooms and add extra veggies like spinach or peas for a meat-free casserole.
• Low Carb Option: Replace spaghetti with spiralized zucchini or cauliflower rice for a lighter meal.
• Spicy Kick: Add red pepper flakes or diced jalapeño to give the sauce a gentle heat.
• Different Cheeses: Try swapping mozzarella for Gruyère or cheddar for a bolder cheese flavor.
• Gluten-Free Alternative: Use gluten-free pasta and gluten-free breadcrumbs to keep this recipe everyone-friendly.

How to Make Chicken Tetrazzini Casserole

Step 1: Prepare the Pasta and Chicken

Cook the spaghetti according to package instructions until al dente, then drain and set aside. If you’re using raw chicken, cook it thoroughly by sautéing or roasting, then shred or dice it into bite-sized pieces.

Step 2: Sauté Aromatics and Mushrooms

In a large skillet, melt butter over medium heat. Add finely chopped onions and garlic, sautéing until fragrant and softened. Then add sliced mushrooms and cook until they release their moisture and start to brown.

Step 3: Make the Creamy Sauce

Sprinkle flour over the mushroom mixture and stir well to create a roux. Slowly whisk in chicken broth and milk, continuing to stir until the sauce thickens and becomes smooth. Season with salt, pepper, and herbs like thyme or parsley.

Step 4: Combine Chicken, Pasta, and Sauce

Add the cooked chicken and drained spaghetti to the skillet with the sauce. Toss everything gently until the pasta is well coated and the chicken is evenly distributed.

Step 5: Transfer and Bake

Spoon the mixture into a greased casserole dish. Sprinkle the top with a generous layer of mozzarella and Parmesan cheese. For extra texture, scatter breadcrumbs on the surface. Bake at 350°F (175°C) for 20-25 minutes or until the top is golden and bubbly.

Pro Tips for Making Chicken Tetrazzini Casserole

• Use Day-Old Pasta: It holds its shape better and won’t become mushy during baking.
• Don’t Skip the Roux: Cooking flour with butter before adding liquid ensures a thick, velvety sauce.
• Let It Rest: Allow the casserole to sit 5-10 minutes post-baking to set up and prevent runny servings.
• Fresh Herbs Work Wonders: Adding fresh parsley or thyme right before serving brightens flavors instantly.
• Customize the Toppings: Mix up breadcrumbs with crushed crackers or nuts for added crunch.

How to Serve Chicken Tetrazzini Casserole

Garnishes

Brighten the creamy casserole with a sprinkle of fresh parsley or chives and a little extra grated Parmesan to add a fresh, savory note and appealing color contrast.

Side Dishes

Pair this hearty casserole with light green salads, steamed vegetables, or crusty bread to balance out the richness and add texture to your meal.

Creative Ways to Present

Serve individual portions in mini ramekins for gatherings or spoon into buttery puff pastry cups for an elegant twist that impresses while staying true to the classic flavors.

Make Ahead and Storage

Storing Leftovers

Store any leftover Chicken Tetrazzini Casserole in an airtight container in the refrigerator for up to 3-4 days. Cover tightly to prevent drying out.

Freezing

This casserole freezes beautifully! Transfer to a freezer-safe container and freeze for up to 2 months. Thaw overnight in the refrigerator before reheating.

Reheating

To reheat, cover with foil and warm in a 350°F oven until heated through, about 20 minutes. Alternatively, microwave individual portions for 2-3 minutes, stirring halfway for even heating.

FAQs

Can I use other types of pasta for Chicken Tetrazzini Casserole?

Absolutely! While spaghetti is traditional, other pasta like fettuccine, linguine, or even penne work well and absorb the sauce nicely.

Is this recipe suitable for picky eaters?

Yes, the creamy, cheesy flavors and familiar ingredients make Chicken Tetrazzini Casserole a hit with picky eaters, especially children.

Can I make this recipe dairy-free?

You can substitute dairy milk and cheese with plant-based alternatives like almond milk and vegan cheese to create a dairy-free version.

How do I make the casserole less creamy or lighter?

Use low-fat milk or broth with reduced cheese amounts, and add extra vegetables to lighten the dish.

What can I add to make it more flavorful?

Fresh herbs, sautéed garlic, a splash of white wine in the sauce, or a sprinkle of nutmeg can elevate the flavor significantly.

Final Thoughts

Chicken Tetrazzini Casserole is one of those dishes that feels like a special treat but comes together easily enough for any night of the week. Its combination of creamy sauce, tender chicken, and comforting pasta is sure to become a favorite in your recipe lineup. Don’t hesitate to try this recipe today and share a taste of cozy, satisfying home cooking with your loved ones.

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