Chicken Tetrazzini pasta

This Chicken Tetrazzini pasta bake is the kind of bubbling, golden dish that makes everyone come running to the table, and the one I have been making for my family every winter Sunday for over thirty years. The moment I first tasted a creamy pasta bake like this, I was standing in my grandmother’s farmhouse kitchen in the Midwest, watching steam rise off the casserole dish while she ladled out generous scoops for everyone gathered around her long wooden table.

The smell of garlic butter, mushrooms, and melted cheese drifting through the house is something I can still recall perfectly. Back then, I did not know the dish had a glamorous name or that it was supposedly created for an Italian opera star named Luisa Tetrazzini. I just knew it was the meal that made people linger at the table, reaching for second helpings and asking who wanted the last corner piece with the extra-crispy cheese. When I make this Chicken Tetrazzini pasta bake today, all of that comes flooding back. And the best part? It is entirely homemade. No canned soup shortcuts around here. Your kitchen is about to smell incredible.

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Why This Chicken Tetrazzini Belongs in Your Recipe Box

In my Midwest kitchen, I have tested a lot of pasta bakes over the decades, and this one has earned its permanent place in my rotation. It checks every box a true weeknight-to-Sunday-dinner recipe should: approachable, built from pantry staples, and it never fails to impress. Here is why I think you will love this recipe just as much as my family does:

• Rich, homemade creamy sauce built from scratch with butter, flour, milk, cream, and broth. No canned soup anywhere in sight.
• Juicy seared chicken thighs that stay moist even after baking, thanks to the double-cook method.
• Feeds a crowd generously with eight hearty servings, making it ideal for family gatherings or meal prep Sundays.
• Freezes beautifully for up to 3 months, so you can make a double batch and bank one for a busy week.
• Flexible with pasta shapes: spaghetti is traditional, but penne, ziti, and macaroni all work perfectly.
• Simple, everyday ingredients you likely already have on hand, with no specialty store runs required.

Key Players in This Recipe

Every ingredient in this Chicken Tetrazzini pasta bake earns its spot at the table. Understanding what each one does helps you make smart swaps when needed and get the best results every time.

Chicken thighs are my personal first choice here because they stay beautifully juicy through the searing and baking process. In my kitchen, I always choose boneless, skinless thighs as they have just enough fat to keep the meat tender even after the double cook. Breast meat works too, but thighs are the more forgiving option.

Unsalted butter does double duty in this recipe: first to get that gorgeous golden sear on the chicken, then again to build the flavor base of the creamy sauce. I always use unsalted so I can control the seasoning myself.

Mushrooms bring a savory, earthy depth that balances the richness of the sauce. Standard button mushrooms are all you need, sliced about half a centimeter thick so they cook down properly without releasing too much liquid.

All-purpose flour is what transforms the butter, milk, and broth into a silky sauce. It gets stirred directly into the cooked mushroom mixture, which helps it disperse evenly and prevents lumps. This is a trick I swear by after years of making this dish.

Low-sodium chicken broth adds savory backbone to the sauce without making it overly salty. Combined with the golden bits left in the pan from searing the chicken, it builds layers of flavor you simply cannot get from a can of soup.

Heavy cream gives the sauce its luxurious richness and that beautiful glossy finish. You can substitute with more whole milk if needed, though the result will be slightly lighter.

Shredded cheese (cheddar, Monterey Jack, or Colby) melts into the sauce and browns on top during baking. Always choose a good melting cheese here and avoid mozzarella, which turns stringy rather than creamy.

How to Make Chicken Tetrazzini Pasta Bake

After years of making this dish, I have settled on a method that gives you the most flavorful sauce and juiciest chicken every time. Follow these steps and you will be rewarded with a bubbling, golden pasta bake that disappears fast.

Step 1: Sear the Chicken Melt 2 tablespoons of butter in a large pot over high heat. Add the chicken thighs, season with a pinch of salt and pepper, and cook for 1 and a half minutes until golden on the bottom. I have learned that a proper sear here is non-negotiable because those golden bits left in the pan are pure flavor waiting to go into your sauce.

Step 2: Flip and Remove Turn the chicken, season the other side, and cook for 1 more minute until golden. Remove to a plate as it does not need to be fully cooked through yet. Rest for 5 minutes, then chop into small bite-sized pieces or shred.

Step 3: Preheat the Oven Set your oven to 325 degrees F (160 degrees C) so it is ready when you need it.

Step 4: Cook the Mushrooms In the same pot, do not wipe it out as all those golden bits are flavor. Melt 4 tablespoons of butter over high heat. Add the sliced mushrooms and cook for 4 minutes until they begin to soften.

Step 5: Add Garlic and Onion Add the minced garlic and chopped onion. Cook for 3 minutes until the mushrooms are golden, seasoning with a pinch of salt and pepper halfway through. Do not rush this step as letting the onions properly soften builds the aromatic base of the whole sauce.

Step 6: Build the Sauce Reduce heat to medium. Add the flour and stir for 30 seconds, coating the mushroom mixture. Add the milk and stir for about 10 seconds until the mixture starts to thicken. Through trial and error, I discovered that mixing the flour into the mushrooms before adding liquid is the key to a lump-free sauce every time.

Step 7: Add Cream and Broth Pour in the chicken broth and heavy cream, then add 1 teaspoon salt and half a teaspoon of pepper. Stir and cook, stirring occasionally, until the sauce thickens enough to draw a clean line across the back of a wooden spoon. Do not over-thicken the sauce at this stage. It continues to thicken when you add the cheese and again in the oven.

Step 8: Bring It All Together Turn the heat off. Stir in half the shredded cheese until melted, then add the cooked pasta and chopped chicken. Toss well to combine and taste for salt. This is the moment your Chicken Tetrazzini pasta bake really comes together.

Step 9: Assemble and Bake Pour the mixture into a 9 x 13 inch baking pan and smooth the surface. Top with the remaining cheese. Bake for 25 minutes until golden and gloriously bubbly. Serve immediately.

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What to Serve With Chicken Tetrazzini Pasta Bake

This pasta bake is rich and hearty, so I always pair it with something fresh or light to balance the plate. Here are my family’s favorite combinations:

• Easy Garlic Bread for mopping up every last bit of that creamy sauce, because that is practically a requirement at our table.
• Roasted Autumn Vegetables with Balsamic Glaze for a slightly charred, bittersweet contrast that cuts through the richness of the cheese sauce beautifully.
• Crispy Garlic Parmesan Brussels Sprouts for a crunchy, savory side that adds great texture next to the creamy pasta.
• Caesar Chicken with Asparagus if you want to double up on protein and keep things elegant with a lemony green side.
• Easy Honey Glazed Carrots and Green Beans for a sweet, colorful vegetable side that kids and adults both reach for without hesitation.
• Maple Glazed Carrots and Brussels Sprouts for a fall-forward pairing that makes this bake feel like a full seasonal dinner spread.

Storage and Reheating Tips

One of the things I love most about this Chicken Tetrazzini pasta bake is how well it holds up after the first day. Because the sauce is extra generous, it does not dry out the way so many pasta casseroles do. I typically store leftovers in an airtight container in the refrigerator, where they keep well for up to 4 days. To reheat, pop individual portions in the microwave in 60-second intervals until warmed through.

For freezing, this pasta bake is a genuine weeknight lifesaver. To freeze before baking, toss the hot cooked pasta with a tiny dab of butter to prevent it from bloating, then cool the sauce and pasta completely before assembling in the pan. Cover tightly and freeze for up to 3 months. When ready to bake, thaw overnight in the refrigerator, then bake covered loosely with foil for 40 minutes, removing the foil for the final 10 minutes so the cheese can go golden. If baking straight from frozen, cover and bake for about 50 minutes until the center is piping hot, then uncover to finish browning.

FAQs

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Chicken Tetrazzini Pasta Bake

A big, bubbly pasta bake with juicy seared chicken, garlic butter mushrooms, and a rich homemade cheesy sauce. No canned soup, entirely from scratch and ready in about 75 minutes.

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Prep Time 15 minutes mins

Cook Time 1 hour hr

Total Time 1 hour hr 15 minutes mins

Servings: 8 portions

Course: Dinner, Main Course

Cuisine: American, Italian-American

Calories: 669

Ingredients Equipment Method Notes

Ingredients

  

• 1 lb spaghetti or other long pasta penne, macaroni, or ziti also work; cooked per packet directions
• 2 tbsp unsalted butter for searing chicken
• 1 lb boneless skinless chicken thighs breast or tenderloin also work
• salt and pepper to taste
• 4 tbsp unsalted butter for the sauce
• 1 lb mushrooms sliced 1/2 cm thick
• 2 garlic cloves minced
• 1 onion finely chopped
• 4 tbsp all-purpose flour
• 2 cups milk any fat, any type
• 1 cup heavy cream can substitute with more milk
• 2 cups low-sodium chicken broth or water plus 2 stock cubes
• 1/2 tsp black pepper
• 1 tsp salt
• 2 cups shredded cheese cheddar, Monterey Jack, or Colby; divided; avoid mozzarella

Equipment

• Large oven-safe pot or Dutch oven
• 9 x 13 inch baking pan
• Wooden spoon

Method

 

1. Melt 2 tablespoons butter in a large pot over high heat. Add chicken thighs and season with salt and pepper. Cook for 1 and a half minutes until golden on the bottom.
2. Flip chicken, season the other side, and cook 1 more minute until golden. Remove to a plate. Chicken does not need to be fully cooked through. Rest 5 minutes, then chop into small pieces or shred.
3. Preheat oven to 325 degrees F (160 degrees C).
4. In the same pot, melt 4 tablespoons butter over high heat. Add mushrooms and cook for 4 minutes until starting to soften.
5. Add garlic and onion. Cook 3 minutes until mushrooms are golden, seasoning with a pinch of salt and pepper halfway through.
6. Reduce heat to medium. Add flour and stir for 30 seconds. Add milk and stir for about 10 seconds until the mixture begins to thicken.
7. Add chicken broth, heavy cream, 1 teaspoon salt, and half a teaspoon pepper. Stir and cook, stirring occasionally, until sauce thickens enough to draw a clear line across the back of a wooden spoon. Do not over-thicken.
8. Turn heat off. Stir in half the cheese until melted. Add cooked pasta and chopped chicken. Toss well to combine. Taste and adjust salt as needed.
9. Pour into a 9 x 13 inch baking pan and smooth the surface. Top with remaining cheese. Bake 25 minutes until golden and bubbly. Serve immediately.

Notes

Avoid tiny pasta like orzo or ditalini. Chicken thighs stay juicier than breast through double-cooking. Let cooked pasta cool slightly before tossing in so it absorbs less sauce while baking. Do not over-thicken the sauce on the stovetop. For gluten-free, use GF pasta and 3.5 tablespoons cornstarch mixed with water instead of flour. Leftovers keep in the fridge 4 days or freeze up to 3 months.