Bring Sunday Flavor Home with This Creamy Chicken Tetrazzini Bake
No heading needs to be written for the introduction.
Welcome back to Sunday Flavor, friends! I’m Chloe. Life gets busy fast.
That’s why I created this space for you. We chase that joyful, relaxed feeling.
This classic Chicken Tetrazzini Bake brings that feeling home easily. It uses up cooked chicken.
Think rich sauce and golden topping. It’s pure comfort food magic right here.

I made this recipe for quick weeknight dinners. It tastes just like a Sunday feast.
It is truly the ultimate leftover chicken recipe for busy cooks like us.
Why You Will Love This Chicken Tetrazzini Bake
This dish offers unbeatable comfort. It’s simple to pull together. You get amazing results fast.
I know you want flavor without the fuss. This recipe delivers that easy joy.
- It saves time using pre-cooked poultry.
- The texture is unbelievably creamy and satisfying.
- It transforms any ordinary evening into a special meal.
This Chicken Tetrazzini Bake is going to be your new favorite.
Quick Prep When Using Leftover Chicken
Using leftover roast chicken is a total game-changer. Seriously, it cuts down your work time.
We skip the whole raw chicken step. That means less chopping and waiting.
You can have this casserole ready to go quickly.
Rich, Comforting Texture
That sauce is the heart of this casserole. It’s velvety smooth.
We top it with golden, bubbly breadcrumbs. It’s a textural dream come true.

Every bite feels warm and deeply satisfying.
Perfect for Weeknight Comfort
Who says comfort food is only for weekends?
I want you to feel that Sunday peace every night.
This bake is my secret weapon for busy weeknights.
Essential Ingredients for Your Chicken Tetrazzini Bake
Gathering your supplies is half the fun, isn’t it?
Having everything ready makes cooking flow smoothly.
For this creamy chicken casserole, we need simple, good things.
These ingredients create that classic comfort we all crave.
Let’s look at exactly what you need to gather up.
Pasta and Foundation
Start with 12 ounces of spaghetti or linguine pasta.
You will also need 2 tablespoons of butter.
Chop up 1/2 cup of onion for flavor depth.
Slice 1/2 cup of fresh mushrooms, too.
Building the Creamy Sauce
We need 2 cups of rich chicken broth here.
Grab 1 cup of half-and-half for creaminess.
If you like, add 1/2 cup of dry sherry.
Bring 1 teaspoon of salt and pepper along.
The Chicken Filling and Cheese Blend
Make sure you have 2 cups cooked, shredded chicken ready.
Chop 1/2 cup of bright red pimentos.
Grate 1/2 cup of Parmesan cheese for the sauce.
Measure out 1 cup of mozzarella cheese next.
The Golden Topping Components
For that perfect crunch, you need 1/2 cup of breadcrumbs.
Keep extra Parmesan cheese handy for sprinkling on top.
These final touches make all the difference, trust me.
Equipment Needed for Making the Chicken Tetrazzini Bake
Don’t let equipment intimidate you!
This recipe uses basic kitchen tools.
You really only need a few items.
A large saucepan is critical for the sauce.
You’ll also need a 9×13 inch baking dish.
Make sure your pasta pot is on hand, too.
Step-by-Step Instructions for the Perfect Chicken Tetrazzini Bake
Now for the fun part, putting it all together!
Follow these steps closely for success.
This process guarantees a fantastic Chicken Tetrazzini Bake.
I find that having everything measured helps immensely.
Prep the Pasta and Oven
First, set your oven temperature to 375 degrees F.
Grease that 9×13 inch baking dish lightly now.
Cook your spaghetti or linguine until just al dente.
Remember, it keeps cooking in the oven later.
Drain the pasta very well after cooking.
Creating the Rich Sauce Base
Melt the butter in a big saucepan on medium heat.
Toss in the chopped onion and sliced mushrooms.
Cook them gently until they soften, about five minutes.
Stir in the flour and cook it for just one minute.
Slowly whisk in the chicken broth until it looks smooth.
Add the half-and-half, salt, pepper, and sherry if you’re using it.
Bring it to a simmer while stirring constantly.
It should thicken up in about 5 to 7 minutes.
Combining the Chicken Tetrazzini Bake Filling
Take the thickened sauce right off the heat source.
Stir in your cooked, shredded chicken now.
Fold in the chopped pimentos and the cheeses.
Gently mix in that drained pasta until coated well.

Assembly and Final Bake
Spread this entire mixture into your prepared dish evenly.
Mix the extra Parmesan with the breadcrumbs.
Sprinkle that topping right over the top layer.
Bake it for 20 to 25 minutes total time.
You want the sauce bubbly and the top golden brown.
Resting the Casserole
This last step is super important, don’t skip it!
Let the casserole rest for five minutes.
This allows the sauce to set up nicely.
Then, you can serve your perfect, creamy bake.
Ingredient Notes and Substitutions for Chicken Tetrazzini Bake
Cooking should always feel flexible, right?
I’ve learned a few tricks over the years.
These small changes can make a big difference.
Use these tips to make this recipe your own.
They help keep that Sunday Flavor consistent.
Handling the Liquid Component
That dry sherry adds a nice depth to the sauce.
If you skip the sherry, don’t sweat it!
Just add an extra 1/2 cup of chicken broth.
This substitution keeps the consistency perfect.
It maintains the creamy texture you want.
Boosting Flavor with Aromatics
Want to kick that savory taste up a notch?
I often add garlic to my mushroom mixture.
Sauté one clove of minced garlic with the onions.
It deepens the flavor profile beautifully.
This simple addition is a personal favorite.
Tips for Success When Making Your Chicken Tetrazzini Bake
Getting a casserole just right takes practice.
I’ve made this dish many, many times.
Here are a few things I always watch for.
These small tweaks really boost the final result.
They help your bake achieve that perfect texture.
Achieving the Right Pasta Texture
Never overcook your spaghetti or linguine first.
Cook it slightly underdone, remember al dente.
The pasta absorbs liquid while it bakes later.
If it’s too soft now, it gets mushy then.
Aim for firm when you drain it off.
Freezing and Storing This Creamy Casserole
This creamy chicken casserole freezes quite well.
It makes for great future meals, honestly.
Freeze it before you add the breadcrumb topping.
Thaw it completely before you bake it later.
Then, add the topping and bake as directed.

Frequently Asked Questions About Chicken Tetrazzini Bake
I know you might have a few questions pop up.
That is totally normal when trying a new recipe.
I want to clear up any confusion right away.
These answers come from my own kitchen testing.
Let’s talk more about making this great dish.
Can I use rotisserie chicken instead of leftover roast chicken?
Absolutely, yes, you totally can!
Rotisserie chicken works perfectly here.
It is already seasoned and cooked nicely.
Just shred about two cups of the meat.
It is another great leftover chicken recipe hack.
What is the best cheese combination for a creamy chicken casserole?
For the best flavor and melt, stick to the recipe.
We use Parmesan in the sauce for sharp taste.
Mozzarella provides that wonderful, stretchy pull.
This blend really makes the creamy chicken casserole shine.
Don’t skip adding Parmesan to the topping, either.
How do I prevent the sauce from becoming too thick during simmering?
This happens if you rush the liquid addition.
Whisk in the broth slowly at first.
If it thickens too fast, just add a splash more milk.
Keep stirring gently while it simmers down slowly.
Low and slow heat is your best friend here.
For general cooking temperature guidance, consult official culinary standards, such as those provided by the U.S. Food and Drug Administration.
Serving Suggestions for Your Chicken Tetrazzini Bake
This Chicken Tetrazzini Bake is rich and filling.
It really shines with simple, fresh sides.
Think light greens to balance the creaminess.
Try a crisp green salad with vinaigrette dressing.
Steamed asparagus also adds lovely color and crunch.
These sides bring that fresh Sunday Flavor to your plate.
Estimated Nutritional Information for Chicken Tetrazzini Bake
I want to give you a rough idea of what’s in this comfort food.
Keep in mind these numbers are estimates only.
They use standard ingredient amounts listed above.
Calories per serving sit around 550 right now.
Fat content is about 25 grams total.
This is hearty food, designed to satisfy you.
Share Your Sunday Flavor Creations
Did you make this comforting bake?
I truly hope you loved it.
Leave a comment below and rate this recipe for me.
I can’t wait to see your photos!
PrintAmazing 5-star Chicken Tetrazzini Bake
Make this comforting Chicken Tetrazzini Bake using your leftover chicken. You will create a rich, creamy sauce and a golden, bubbly topping. This casserole brings Sunday Flavor to your table any day of the week.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 6 servings
- Category: Casserole
- Method: Bake
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 12 ounces spaghetti or linguine
- 2 tablespoons butter
- 1/2 cup chopped onion
- 1/2 cup sliced mushrooms
- 1/4 cup all-purpose flour
- 2 cups chicken broth
- 1 cup half-and-half or milk
- 1/2 cup dry sherry (optional)
- 1 teaspoon salt
- 1/4 teaspoon black pepper
- 2 cups cooked, shredded chicken
- 1/2 cup pimentos, chopped
- 1/2 cup grated Parmesan cheese, plus more for topping
- 1 cup shredded mozzarella cheese
- 1/2 cup breadcrumbs
Instructions
- Preheat your oven to 375 degrees F. Lightly grease a 9×13 inch baking dish.
- Cook the pasta according to package directions until al dente. Drain well and set aside.
- Melt the butter in a large saucepan over medium heat. Add the onion and mushrooms. Cook until soft, about 5 minutes.
- Stir in the flour and cook for 1 minute. Slowly whisk in the chicken broth until smooth.
- Add the half-and-half, sherry (if using), salt, and pepper. Bring the mixture to a simmer, stirring constantly until it thickens, about 5 to 7 minutes.
- Remove the sauce from the heat. Stir in the cooked chicken, pimentos, Parmesan cheese, and mozzarella cheese.
- Fold the cooked pasta into the sauce mixture. Spread the mixture evenly into the prepared baking dish.
- In a small bowl, combine the extra Parmesan cheese and breadcrumbs. Sprinkle this topping evenly over the casserole.
- Bake for 20 to 25 minutes, or until the sauce is bubbly and the topping is golden brown.
- Let the casserole rest for 5 minutes before serving.
Notes
- Using leftover roast chicken makes this recipe quick.
- If you skip the sherry, use an extra 1/2 cup of chicken broth.
- For extra flavor, sauté a clove of minced garlic with the onions and mushrooms.
- This dish freezes well before baking. Thaw completely before topping and baking.
Nutrition
- Serving Size: 1 serving
- Calories: 550
- Sugar: 5g
- Sodium: 650mg
- Fat: 25g
- Saturated Fat: 14g
- Unsaturated Fat: 11g
- Trans Fat: 1g
- Carbohydrates: 45g
- Fiber: 3g
- Protein: 38g
- Cholesterol: 100mg

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