Easy Chicken Tetrazzini Casserole Recipe To Try Now

If you are craving a comforting, creamy dinner that fills the house with irresistible aromas, look no further than this delicious Chicken Tetrazzini Casserole. This classic favorite combines tender chicken, earthy mushrooms, and luscious pasta all smothered in a rich sauce with plant-based cheese (plant-based) that melts beautifully. Whether you’re cooking for a family dinner or meal prepping for the week, the Chicken Tetrazzini Casserole offers a perfect balance of flavor and texture that will have everyone coming back for seconds.

Why You’ll Love This Recipe

• A comfort food classic: This casserole brings warmth and satisfaction that feels like a cozy kitchen hug.
• Simple and wholesome ingredients: Every component works together for an easy, nutritious meal.
• Creamy yet light: Using plant-based cheese and a natural gelling agent creates richness without heaviness.
• Kid-friendly and family-approved: The mild flavors make it perfect for all ages at the dinner table.
• Make-ahead friendly: Prep in advance for easy weeknight dinners or entertaining guests.

Ingredients You’ll Need

This Chicken Tetrazzini Casserole comes together with simple yet essential ingredients that build taste, texture, and color, ensuring a dish that looks as good as it tastes. The combination of fresh chicken, mushrooms, and creamy elements make it a true crowd-pleaser.

• Tender cooked chicken: Use shredded or diced chicken breast for the perfect protein base.
• Sliced mushrooms: Earthy mushrooms bring an umami depth that pairs perfectly with creamy sauce.
• Spaghetti or linguine pasta: Al dente pasta provides the ideal bite and texture.
• Plant-based cheese (plant-based): Melts smoothly into the sauce, adding a lush, creamy texture.
• Whole milk or plant-based milk: Creates a smooth sauce that’s rich without weighing down the dish.
• Butter or plant-based butter: Adds a subtle richness to the sauce components.
• Flour: Acts as the base for thickening the creamy sauce with a natural gelling agent.
• Vegetarian Worcestershire sauce (natural): Brings a savory, slightly tangy character to the sauce.
• Minced garlic and onion powder: Infuse gentle aromatic flavors that enhance every bite.
• Fresh parsley: Brings a pop of color and fresh taste to finish the casserole.

Variations for Chicken Tetrazzini Casserole

Don’t be afraid to put your own spin on this Chicken Tetrazzini Casserole. It’s really versatile and easy to customize based on what you have on hand or your personal preferences.

• Vegetarian version: Swap chicken for roasted cauliflower or steamed artichoke hearts to maintain heartiness without meat.
• Extra veggies: Add spinach, peas, or bell peppers for added color and nutrition.
• Spicy kick: Stir in some red pepper flakes or diced jalapeños to bring warmth to the dish.
• Gluten-free: Use gluten-free pasta and flour alternatives like rice or chickpea flour to suit dietary needs.
• Herb variations: Mix fresh thyme or rosemary into the sauce to add aromatic layers.

How to Make Chicken Tetrazzini Casserole

Step 1: Prepare the Pasta and Chicken

Cook the spaghetti or linguine pasta according to package instructions until just al dente. Drain and set aside. Meanwhile, shred or dice your cooked chicken into bite-sized pieces, making sure it’s tender and ready to incorporate into the casserole.

Step 2: Sauté the Mushrooms and Aromatics

In a large skillet, melt butter over medium heat, then add the sliced mushrooms. Cook until browned and fragrant. Toss in minced garlic and a pinch of onion powder to release their delicious aromas, stirring constantly for about a minute.

Step 3: Make the Creamy Sauce

Sprinkle the flour over the butter and mushroom mixture and stir well to combine, cooking for about two minutes to get rid of the raw flour taste. Slowly whisk in the milk to create a smooth, thick sauce. Add vegetarian Worcestershire sauce (natural) and seasonings, stirring until the sauce coats the back of a spoon. Fold in the plant-based cheese (plant-based) and let it melt fully to reach that incredible creaminess.

Step 4: Combine, Transfer, and Bake

Mix the cooked pasta, shredded chicken, and mushroom sauce gently in a large bowl. Transfer everything into a greased casserole dish and spread evenly. Sprinkle extra plant-based cheese on top for a beautifully golden crust. Bake in a preheated oven at 350°F (175°C) for 25-30 minutes until bubbling and golden on top.

Step 5: Garnish and Serve

Remove from the oven and sprinkle fresh chopped parsley across the top for a vibrant finish. Let cool slightly before serving to allow the creamy sauce to set perfectly.

Pro Tips for Making Chicken Tetrazzini Casserole

• Pasta texture matters: Cooking pasta just shy of al dente prevents it from becoming mushy during baking.
• Don’t skip browning mushrooms: It enhances their flavor and adds a nice earthy base to the sauce.
• Add sauce slowly: When whisking milk into the flour mixture, add it gradually to avoid lumps.
• Let it rest: Allow the casserole to cool for 10 minutes after baking to firm up the sauce for easier serving.
• Use fresh ingredients: Fresh herbs and quality plant-based cheese (plant-based) elevate the dish to the next level.

How to Serve Chicken Tetrazzini Casserole

Garnishes

Brighten the dish with a sprinkle of fresh parsley or thyme leaves for color and mild herbal notes. A light dusting of crushed toasted almonds or breadcrumbs on top adds a wonderful crunch.

Side Dishes

Complement this creamy casserole with a crisp green salad dressed in lemon and olive oil, steamed green beans with a touch of garlic, or roasted root vegetables to add earthiness and balance.

Creative Ways to Present

Serve individual portions in ramekins for a charming presentation or layer the casserole in a deep dish with a crispy plant-based breadcrumb topping for texture contrasts. Garnish with edible flowers or microgreens for special dinners.

Make Ahead and Storage

Storing Leftovers

Place leftover Chicken Tetrazzini Casserole in an airtight container and refrigerate for up to 3 days. It reheats beautifully while maintaining its creamy texture.

Freezing

Freeze portions in freezer-safe containers for up to 2 months. To avoid freezer burn, cover tightly with plastic wrap or foil before sealing. Thaw overnight in the fridge before reheating.

Reheating

Reheat in the oven at 350°F (175°C) for 15-20 minutes until warmed through, or microwave covered in short intervals stirring halfway to maintain texture and creaminess.

FAQs

Can I use rotisserie chicken in this recipe?

Absolutely! Rotisserie chicken works wonderfully and saves time while adding extra flavor to your Chicken Tetrazzini Casserole.

What if I don’t have plant-based cheese?

You can use any melty cheese alternative or omit it entirely, but it’s the plant-based cheese that adds that perfect creaminess to the dish.

Can I make this recipe dairy-free?

Yes! Using plant-based milk and butter with plant-based cheese (plant-based) ensures the recipe stays dairy-free without sacrificing flavor.

How can I make this casserole spicier?

Add crushed red pepper flakes, diced jalapeños, or a dash of cayenne pepper to the sauce to give the dish a gentle but exciting heat.

Is this recipe suitable for meal prep?

Definitely. Chicken Tetrazzini Casserole keeps well in the fridge and can be portioned for easy grab-and-go lunches or dinners throughout the week.

Final Thoughts

If you’re looking to add a new favorite to your dinner rotation, this Chicken Tetrazzini Casserole delivers on all fronts: creamy, comforting, and easy to prepare. It’s a versatile meal that feels like a warm embrace on a plate, perfect for weeknights or special occasions. Give it a try and watch how quickly it becomes a beloved classic in your home.

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