Betty Crocker's Chicken Tetrazzini Recipe: Celery-Crusted Creamy Comfort in One Pan

Betty Crocker’s chicken tetrazzini delivers that nostalgic, creamy comfort in one pan—just like my grandmother used to make, but with a modern twist. The celery crust adds a satisfying crunch that cuts through the rich, velvety sauce, while tender chicken and al dente pasta create the perfect balance of textures.

This dish is the ultimate weeknight solution when you crave something hearty but don’t want to spend hours in the kitchen.

What sets this recipe apart is the foolproof technique that ensures the pasta stays al dente while absorbing the creamy sauce without turning mushy. The key? Cooking the pasta just slightly underdone, then finishing it in the oven with the rest of the dish.

I’ve tested this recipe countless times, and it never fails to deliver that restaurant-quality texture—crispy on top, creamy in the middle, with every bite packed with flavor.

The result is a dish that feels indulgent yet simple, with layers of savory chicken, herby celery, and cheesy goodness.

It’s the kind of meal that disappears faster than you can say “seconds,” making it perfect for family dinners or when you want to impress guests without slaving over the stove. The best part? It all comes together in one pan, so cleanup is a breeze.

Serve it with a simple side salad or crusty bread to soak up every last drop of that creamy sauce. This is the chicken tetrazzini recipe I wish I’d had growing up—comfort food at its finest, but with a chef’s touch. Let’s get cooking!

Ingredients for chicken tetrazzini betty crocker

Nine essential ingredients for that nostalgic, creamy chicken tetrazzini with a crispy celery crust.

The celery crust is the star—fresh celery makes all the difference, but frozen works in a pinch. Trader Joe's has the best pre-chopped celery if you're short on time. For the chicken, boneless breasts are easiest, but thighs stay juicier. The Parmesan needs to be freshly grated from a wedge—pre-shredded gets clumpy. I always grab extra Parm since it freezes well. The pasta? Fettuccine is classic, but any wide noodle works.

No heavy cream? Half-and-half plus a splash of milk gets you close. Fresh thyme is ideal, but dried works at one-third the amount. The onion can be swapped for shallots if you're feeling fancy. Short on mozzarella? Gruyère melts beautifully. The celery crust gets crispy from the olive oil and butter combo—don't skip the butter! For extra flavor, toast the celery in the oil for 2 minutes before adding other ingredients. The garlic? Roast it first for a sweeter flavor—game changer.

This reheats beautifully—just add a splash of milk or broth to loosen it up. Keeps 4-5 days in the fridge, freezes for 3 months. Double the recipe if you're feeding a crowd—it disappears fast. The celery crust stays crispy if you reheat it covered, then uncover for the last 2 minutes. Leftovers? Perfect for lunches—portion into containers with a sprinkle of extra Parm on top.

Step-by-step instructions for chicken tetrazzini

Here's how to create this creamy, comforting one-pan masterpiece that's perfect for family dinners.

Heat the 0.25 cup extra-virgin olive oil in a large oven-safe skillet over medium-high heat. Add the 1.5 lb boneless chicken breast cut into bite-sized pieces and cook for 5-6 minutes until the chicken is no longer pink in the center. Remove the chicken and set aside.

In the same skillet, add the 2 cups finely chopped celery stalks and cook for 3-4 minutes until they begin to soften and take on a golden hue. This crispy celery crust is what gives this dish its signature texture. Don't overcook or the celery will turn mushy.

Add the 1 medium yellow onion (diced) to the skillet and cook for 4-5 minutes until softened and translucent. Stir in the 4 cloves minced garlic and cook for 30 seconds until fragrant. You'll smell that wonderful aromatic base developing—this is where all the flavors come together.

Sprinkle in the 1 tsp dried thyme, 1 tsp salt, and 0.5 tsp black pepper, stirring to coat the vegetables. These seasonings will infuse throughout the dish, creating that warm, comforting flavor profile we're after.

Reduce the heat to medium-low and stir in the 0.5 cup unsalted butter and 0.25 cup all-purpose flour, cooking for 1-2 minutes until the mixture thickens slightly. This creates a roux that will help thicken our creamy sauce beautifully.

Gradually pour in the 1 cup heavy cream and 1 cup chicken broth, whisking constantly to prevent lumps. Let the mixture simmer for 3-4 minutes until it thickens to a velvety consistency. This is where the magic happens—the sauce should coat the back of a spoon but still be smooth.

Return the cooked chicken to the skillet and stir to coat in the creamy sauce. Add the 12 oz fettuccine pasta (cooked according to package directions, drained but not rinsed) and toss gently to combine. The residual heat will finish cooking the pasta perfectly in the skillet.

Sprinkle the 1 cup mozzarella cheese and 0.5 cup parmesan cheese evenly over the top. The cheeses will melt into the creamy sauce, creating that perfect balance of rich and tangy flavors that make this dish so comforting.

Transfer the skillet to a preheated 375°F oven and bake for 15-20 minutes until the top is golden brown and bubbly. You'll know it's ready when you see those beautiful browned patches on top—this indicates the cheese has melted and formed a crispy crust.

Let the chicken tetrazzini rest for 5 minutes before serving. This resting time allows the sauce to thicken slightly and the flavors to meld together perfectly. Serve immediately with a side of garlic bread or a simple green salad to complete this comforting meal.

Common mistakes when making great chicken tetrazzini betty crocker

Overcooking the Celery

The celery crust is what makes this dish special, but it’s also the easiest part to mess up. I’ve seen people cook the celery until it’s soft and mushy—big mistake. You want it to stay crispy and slightly golden, not turn into a sad, limp pile.

Cook it for just 3-4 minutes over medium-high heat until it’s tender but still holds its shape. If you’re using frozen celery, thaw and pat it dry first to prevent excess moisture. 🧅

Skipping the Roux

Some recipes call for just dumping cream and broth into the pan, but that’s where things get watery. The roux (butter + flour) is what thickens the sauce and gives it that velvety texture. If you skip it, your tetrazzini will end up more like a creamy soup.

Cook the roux for 1-2 minutes until it’s golden but not browned—this ensures it won’t taste bitter. Whisk in the liquids slowly to avoid lumps. 🥄

Undercooking the Pasta

Al dente pasta is key, but I’ve seen people either overcook it separately or undercook it in the pan. The trick is to cook the pasta just 1 minute less than package instructions, then finish it in the oven with the rest of the dish.

This ensures it’s perfectly tender without turning mushy. If your pasta feels too firm, add a splash of pasta water to the skillet before baking. 🍝

Using Pre-Shredded Cheese

Pre-shredded cheese is convenient, but it’s also packed with anti-caking agents that prevent it from melting smoothly. Freshly grated Parmesan and mozzarella make all the difference—they melt into a creamy, stretchy blanket over the dish.

If you’re in a pinch, buy block cheese and grate it yourself, or at least look for cheese labeled “shredded for melting.” The texture change is night and day. 🧀

Not Resting Before Serving

Rushing to serve this dish right out of the oven is a common mistake. The sauce needs time to thicken slightly and the flavors to meld together. Let it rest for 5 minutes before serving—this also helps the celery crust stay crispy.

I’ve seen people cut into it too soon, and the sauce ends up watery and uneven. Patience here makes all the difference. ⏳

Ignoring the Crust

The celery crust is the star, but it’s easy to overlook its importance. Some people skip topping it with cheese or forget to broil it for extra crispiness. For the best results, sprinkle the cheese evenly over the top and bake until it’s golden and bubbly.

If you want an extra-crispy crust, broil for 1-2 minutes at the end. This step elevates the dish from good to restaurant-quality. 🔥

Frequently asked questions