Tender chicken, spaghetti, and a creamy mushroom sauce come together in this rich and comforting Easy Chicken Tetrazzini. This baked pasta dish is a family favourite and a great way to use leftover chicken or rotisserie chicken.
The creamy sauce is made from simple ingredients and coats every strand of pasta perfectly. It’s the kind of dinner that makes everyone come back for seconds. Plus, it reheats well, making it a great option for meal prep or leftovers.
Baked until golden and bubbling, Chicken Tetrazzini is a complete meal that can be served with garlic bread or a side salad. You can even prepare it ahead of time and bake it when needed. If you love creamy pasta bakes, this one’s for you.
Whether you’re feeding a crowd or just want a satisfying meal on a chilly night, this dish hits all the right notes. It’s rich, cheesy, and simple to make. No fancy ingredients or techniques—just classic comfort food made easy.
The pasta bakes with the chicken and sauce, forming a golden crust of melted cheese on top. It’s creamy inside and crunchy on top—a delightful contrast. The mushrooms add an earthy note that balances the richness.

WHY YOU WILL LOVE THIS RECIPE
- Creamy Texture: The luscious, creamy sauce perfectly coats the tender chicken and pasta, creating a smooth, rich dish everyone will enjoy with every bite.
- Quick and Easy: This recipe is fast to prepare, making it ideal for busy weeknights when you want a delicious homemade meal without much fuss.
- Uses leftover chicken: It’s a smart way to transform leftover chicken into a flavourful, satisfying dinner, reducing food waste and saving cooking time.
- Comfort Food Classic: This dish delivers familiar, comforting flavours with cheesy goodness and mushrooms, making it a go-to for family dinners.
- Golden Cheese Crust: Baking with mozzarella cheese forms a crispy, golden crust on top that adds a delicious texture contrast to the creamy interior.
- Flexible Ingredients: You can easily swap pasta types or add veggies like peas or spinach to boost nutrition information and add colour to the dish.
- Family-Friendly: Mild flavours and creamy texture make it popular among kids and adults, perfect for pleasing everyone at your dinner table.
INGREDIENTS
- 12 oz spaghetti, cooked and drained
- 2 cups cooked chicken, shredded or cubed
- 2 tablespoons butter
- 1 small onion, finely chopped
- 2 cloves garlic, minced
- 1 (10.5 oz) can cream of mushroom soup
- 1 cup sour cream
- 1 cup chicken broth
- 1 cup shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- ½ cup frozen peas (optional)
- Salt and pepper, to taste
- ½ cup breadcrumbs (optional, for topping)
- 1 tablespoon olive oil or melted butter (for topping)
DIRECTIONS
- Step No.1: Preheat the oven
Preheat your oven to 350°F (175°C). Lightly grease a 9x13 inch baking dish.
- Step No.2: Sauté the aromatics
In a large skillet, melt butter over medium heat. Add onion and garlic, cooking until soft and fragrant, about 3–4 minutes.
- Step No.3: Make the sauce
Stir in mushroom soup, sour cream, and chicken broth. Whisk until smooth. Add salt and pepper to taste.
- Step No.4: Combine the ingredients
In a large bowl, mix the cooked pasta, chicken, peas (if using), mozzarella, and half the Parmesan with the sauce.
- Step No.5: Assemble the casserole
Pour the mixture into the prepared baking dish. Spread evenly and top with remaining Parmesan.
- Step No.6: Add the topping
Mix breadcrumbs with olive oil or melted butter. Sprinkle over the casserole for a crispy top.
- Step No.7: Bake until bubbly
Bake uncovered for 30–35 minutes, or until hot and bubbly with a golden topping. Let rest 5 minutes before serving.

TIPS FOR SUCCESS
- Cook pasta al dente: Make sure the pasta is slightly firm when cooked; it will absorb sauce without becoming mushy during baking.
- Use freshly grated cheese: Freshly grated cheese melts more evenly, creating a smooth, creamy sauce and a better overall flavour.
- Don’t skip sour cream: Sour cream adds a tangy richness that balances the creamy sauce and enhances the overall taste of the casserole.
- Sauté mushrooms thoroughly: Cooking mushrooms well before baking reduces excess moisture and intensifies their earthy flavour in the dish.
- Let casserole rest: Allow the baked dish to sit for a few minutes before serving to let the sauce thicken and flavours meld nicely.
- Use rotisserie chicken: Using pre-cooked rotisserie chicken saves time and adds delicious seasoning without needing extra prep work.
- Add peas for colour: Mixing in frozen peas gives the dish vibrant colour and a sweet pop, making the casserole more visually appealing and tasty.
VARIATIONS
- Swap pasta shapes: Try penne, rigatoni, or elbow macaroni for different textures and appearances while keeping the creamy flavour intact.
- Add vegetables: Spinach, bell peppers, or peas can be stirred into the casserole to boost nutrition and add fresh, vibrant flavours.
- Use cream cheese: Replace sour cream with cream cheese for a thicker, richer sauce that creates a smooth, indulgent texture.
- Make it spicy: Add red pepper flakes, cayenne, or diced jalapeños to the sauce for a gentle heat that livens up the dish.
- Try different cheeses: Experiment with Gruyère, sharp cheddar, or fontina to change the flavour profile and add complexity.
- Use turkey instead of chicken: Substitute leftover turkey for chicken to create a seasonal or alternative version of this classic casserole.
- Make gluten-free diet: Use gluten-free pasta and flour substitutes to accommodate dietary restrictions without losing any creamy, delicious flavour.
SERVING AND STORAGE
Serving
Serve warm with garlic bread, salad, or roasted vegetables for a complete meal.
Storage
Store in an airtight container in the fridge for up to 4 days or freeze up to 3 months.

FAQ
Yes, canned chicken works in a pinch. Be sure to drain it well before using.
Assemble the dish, cover, and refrigerate for up to 24 hours. Add 10 extra minutes to the baking time.
Use cream of chicken soup or a homemade white sauce for a different twist.
Absolutely! Assemble it, wrap tightly, and freeze. Bake from frozen or thaw overnight first.
Named after opera singer Luisa Tetrazzini, this American dish became popular in the early 20th century.
This Easy Chicken Tetrazzini recipe brings creamy, baked comfort to your table with minimal effort and maximum satisfaction.
It's the kind of meal that makes everyone smile—from kids to adults—and it’s flexible enough for weeknights, potlucks, or special occasions.
Whether you're using leftover chicken or starting from scratch, you'll love how simple and satisfying this dish is.
From its creamy interior to its cheesy golden top, every bite is full of flavour and warmth.
Plus, it’s make-ahead and freezer-friendly, which means you’ll always have a delicious dinner ready when life gets busy.
So gather your ingredients, preheat the oven, and let this classic bake work its magic in your kitchen.


EASY CHICKEN TETRAZZINI
Ingredients
- 12 oz spaghetti or linguine
- 2 tablespoons butter
- 1 small onion diced
- 2 cups sliced mushrooms
- 2 garlic cloves minced
- 2 cups cooked chicken shredded
- 1 can 10.5 oz cream of mushroom soup
- 1 cup sour cream
- ½ cup chicken broth
- 1 cup shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- ½ teaspoon salt
- ¼ teaspoon black pepper
- ½ teaspoon Italian seasoning
- ½ cup breadcrumbs optional topping
Instructions
Cook the Pasta:
- Cook pasta according to package instructions. Drain and set aside.
Prepare the Sauce:
- In a large skillet, melt butter over medium heat. Sauté onion and mushrooms for 5–6 minutes until soft. Add garlic and cook for 1 minute more.
Mix the Ingredients:
- In a large bowl, combine cooked pasta, shredded chicken, sautéed vegetables, cream of mushroom soup, sour cream, chicken broth, mozzarella, Parmesan, salt, pepper, and Italian seasoning. Mix well.
Assemble the Casserole:
- Transfer mixture into a greased 9x13-inch baking dish. Sprinkle breadcrumbs on top if using.
Bake:
- Bake in a preheated oven at 350°F (175°C) for 30–35 minutes, or until bubbly and golden on top.





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