Step-by-Step Instructions
- Preheat your oven to 350°F (175°C).
- Heat olive oil in a large skillet over medium heat. Add the onions and garlic, sautéing until they are soft and fragrant.
- Incorporate the mushrooms and continue to sauté until they are tender.
- In a large mixing bowl, combine the shredded chicken, cooked spaghetti, sautéed veggies, chicken broth, heavy cream, Parmesan cheese, Italian seasoning, salt, and pepper. Mix well.
- Transfer the mixture to a greased baking dish, spreading it out evenly.
- Top with breadcrumbs and sprinkle additional Parmesan on top if desired for extra flavor.
- Bake for 25-30 minutes, or until the dish is bubbly and the top is golden brown.
Best Ways to Enjoy It
To serve your Easy Chicken Tetrazzini, consider garnishing it with fresh parsley or a sprinkle of additional Parmesan for a pop of color. This dish pairs beautifully with a crisp green salad or roasted vegetables. For a cozy feel, serve it alongside garlic bread to soak up the creamy goodness. If you’re feeling adventurous, a light drizzle of balsamic reduction will add an unexpected burst of flavor!
Keeping Leftovers Fresh
To store your Chicken Tetrazzini, allow it to cool completely, then cover it tightly with plastic wrap or aluminum foil and place it in the refrigerator. It will last for about 3-4 days. For longer storage, you can freeze it for up to 2 months. Just make sure to let it thaw in the fridge overnight before reheating. When reheating, add a splash of chicken broth or cream to keep it creamy and prevent drying out.
Helpful Cooking Tips
- Cook your spaghetti al dente, as it will continue to cook in the oven, preventing a mushy texture.
- Make it your own by incorporating seasonal vegetables or even different cheeses like mozzarella for a gooey topping.
- If you prefer a crunchy topping, broil the casserole for the last 2-3 minutes of baking—just keep a close eye to avoid burning!
Creative Twists to Try
Feeling adventurous? There are many ways to elevate your Chicken Tetrazzini. Consider adding spinach or peas for added nutrition. You can also experiment with herbs; fresh thyme or rosemary can add a delightful twist. If you’re looking for a bit of heat, sprinkle some red pepper flakes into the mix. For a vegetarian take, replace the chicken with chickpeas and use vegetable broth!

FAQs
How long does it take to prepare Chicken Tetrazzini?
Preparation time is around 15-20 minutes, and baking takes about 25-30 minutes, so you can have this delicious meal on the table in under an hour!
Can I use uncooked chicken instead of cooked?
Yes! Just sauté the uncooked chicken in the skillet first before adding the onions and mushrooms, but ensure it’s fully cooked through before combining with other ingredients.
What can I substitute for heavy cream?
If you prefer a lighter option, you can use half-and-half or a mix of milk and sour cream to maintain the creamy texture without the full fat content.






