Betty Crocker's Chicken Tetrazzini Recipe: Creamy Celery-Topped One-Pan Masterpiece

Betty Crocker's chicken tetrazzini recipe delivers a creamy, celery-topped masterpiece that transforms simple ingredients into a restaurant-worthy one-pan dish. This classic comfort food—with its tender chicken, al dente pasta, and rich mushroom sauce—has been a staple in home kitchens for decades.

The secret lies in balancing the sauce's creaminess with the crisp-tender celery topping, creating a dish that's both elegant and satisfying.

What makes this recipe special is its foolproof nature—no fancy techniques required, just precise timing and layering. You'll start with perfectly cooked chicken and pasta, then build the sauce layer by layer, finishing with a golden celery topping that adds texture and visual appeal.

The result is a dish that's hearty enough for a family dinner but refined enough for company. I've tested this recipe countless times, and it never fails to impress.

The sauce is where the magic happens—a velvety blend of cream, mushrooms, and herbs that coats every strand of pasta and bite of chicken. The celery topping, lightly browned, adds a crispy contrast that keeps each forkful exciting.

This is the kind of dish that tastes even better the next day, making it perfect for meal prep or gatherings. Let's get started on creating your own creamy, comforting masterpiece.

Whether you're sticking to the traditional recipe or exploring modern twists—like using gluten-free pasta or reducing the cream for a lighter version—this dish adapts beautifully. The key is patience in building the sauce and attention to the celery topping, which should be golden and crispy without burning.

Trust the process, and you'll have a dish that rivals any restaurant version.

Ingredients for chicken tetrazzini betty crocker

Pantry staples and fresh produce combine for Betty Crocker's iconic creamy chicken tetrazzini masterpiece.

The chicken breast should be pounded to even thickness for consistent cooking—about 1/4-inch thick. Trader Joe's and Whole Foods carry high-quality boneless, skinless cuts that stay tender. For mushrooms, cremini adds earthiness, while white button offers milder flavor. Costco sells pre-sliced mushrooms in bulk, saving prep time. The celery topping requires finely chopped stalks—pulse in a food processor for even texture. Yellow onions should be medium-sized (about 6 oz each) for balanced flavor without bitterness.

No dry sherry? White wine or additional chicken broth works equally well. Fresh thyme is ideal but dried works at half the amount. For a lighter version, swap half the heavy cream for low-fat milk or coconut cream. The Parmesan must be freshly grated—pre-shredded contains anti-caking agents that prevent proper melting. If your pasta is gluten-free, opt for gluten-free fettuccine with a 1:1 substitution ratio. The butter should be unsalted to control seasoning precisely.

This dish reheats beautifully—cover with foil and warm in a 350°F oven for 20-25 minutes. Store leftovers in an airtight container for up to 4 days or freeze for 3 months. For meal prep, assemble the dish without baking, then refrigerate the unbaked casserole for up to 2 days before baking. The celery topping can be prepped ahead and stored separately for 2 days in the fridge.

Step-by-step instructions for chicken tetrazzini

This classic one-pan dish delivers rich, velvety sauce and tender chicken in a single elegant preparation.

Begin by pounding the 1.5 lb boneless, skinless chicken breast between two sheets of plastic wrap to an even ½-inch thickness. This ensures even cooking and prevents dryness. Season both sides generously with 1 tsp salt and 0.5 tsp black pepper, then set aside. In a large skillet, melt 2 tbsp butter over medium-high heat until foaming. Add the chicken and cook for 4-5 minutes per side until golden brown and cooked through to an internal temperature of 165°F. Remove the chicken and let it rest on a plate.

While the chicken cooks, bring a large pot of salted water to a rolling boil. Add the 12 oz fettuccine pasta and cook until 1 minute shy of package directions for al dente texture. Reserve 1 cup pasta water before draining, then return the pasta to the pot and set aside off heat. This starchy water will be essential for creating a silky sauce later.

In the same skillet (no need to clean it—the browned bits add flavor), reduce heat to medium and add 1 medium yellow onion and 8 oz sliced mushrooms. Cook for 5-6 minutes until softened and golden. Add 4 cloves minced garlic and 0.5 tsp dried thyme, cooking for 30 seconds until fragrant. Pour in 0.25 cup dry sherry and 1 cup chicken broth, scraping up any browned bits from the bottom of the pan.

Simmer for 3-4 minutes until the liquid reduces by half. Sprinkle 1 tbsp all-purpose flour over the mixture and whisk vigorously to eliminate any lumps. Gradually add 1 cup heavy cream, stirring constantly until fully incorporated. The sauce should begin to thicken—if it becomes too stiff, add 2-3 tablespoons of the reserved 1 cup pasta water to reach a smooth, velvety consistency. Keep the sauce warm over low heat while you prepare the final elements.

Return the cooked chicken to the skillet and add the cooked fettuccine pasta, tossing gently to combine. Stir in 0.5 cup freshly grated parmesan cheese and season with an additional pinch of salt if needed. Transfer the entire mixture to a 9x13-inch baking dish, spreading it evenly. The dish should be about ¾ full—this allows for proper browning.

In a small bowl, finely chop the 3 whole celery stalks and sprinkle them evenly over the top of the tetrazzini. This classic topping adds freshness and visual appeal. Cover the dish with aluminum foil and bake at 375°F for 15 minutes. Remove the foil and bake for an additional 10-12 minutes until the top is golden brown and bubbly. The sauce should coat the pasta and chicken evenly, creating that signature creamy texture.

Remove the tetrazzini from the oven and let it rest for 5-10 minutes before serving. This resting period allows the sauce to thicken slightly and the flavors to meld together. The dish should be creamy yet not soupy, with each bite delivering tender chicken, al dente pasta, and rich sauce. Garnish with additional 0.5 cup parmesan cheese and 0.5 tsp freshly cracked black pepper if desired.

For best results, serve immediately while the pasta is still al dente and the sauce maintains its velvety consistency. This dish pairs beautifully with a simple green salad and crusty bread to soak up any remaining sauce. The combination of creamy, savory, and slightly herby notes makes this a comforting yet elegant meal perfect for any occasion.

Dietary considerations for these flavors

Gluten-Free Adaptation

For a gluten-free version, swap the traditional fettuccine for a gluten-free pasta like Barilla GF Fettuccine or Jovial. These brands hold up well in creamy sauces and cook in the same time as regular pasta.

I’ve tested this with 12 oz gluten-free fettuccine—just add it to boiling water and cook until 1 minute shy of package directions for that perfect al dente bite. 🌾

Dairy-Free Options

To make this dish dairy-free, replace the 1 cup heavy cream with 1 cup full-fat coconut cream (chilled overnight) and use nutritional yeast instead of parmesan. The coconut cream adds richness, though the texture will be slightly lighter.

For extra flavor, stir in 1 tbsp lemon juice to brighten the sauce. Trust me, this version still delivers that creamy comfort you crave!

Lower-Carb Version

Cut carbs by replacing the fettuccine with zucchini noodles (spiralized) or shirataki noodles for a near-zero-carb option. Sauté the zucchini noodles for 2-3 minutes in the skillet after cooking the chicken to soften them slightly.

For shirataki, rinse thoroughly and parboil for 1 minute to remove excess sodium. The dish will be lighter but still packed with savory flavor from the mushrooms and herbs. 🥦

Vegetarian Swap

Skip the chicken and add 12 oz mushrooms (extra for texture) and 1 block (8 oz) firm tofu, pressed and cubed. Sauté the tofu in the skillet until golden before adding the onions and mushrooms.

The tofu absorbs the creamy sauce beautifully, making it a hearty vegetarian option. I’ve found Kite Hill almond milk mozzarella melts well when added at the end for a cheesy finish.

Lighter Cream Sauce

Reduce the richness by swapping half the heavy cream for half-and-half or evaporated skim milk. The sauce will still be velvety but lighter. For extra thickness, blend ½ cup cooked mushrooms into the sauce before adding the cream.

This trick adds body without relying on heavy dairy. I’ve also used Greek yogurt (full-fat) in a pinch—it adds tanginess that balances the dish perfectly. 💡

Frequently asked questions