Betty Crocker's Chicken Tetrazzini Recipe: Mushroom Cream Sauce Over Tender Pasta

Betty Crocker's Chicken Tetrazzini delivers that creamy, cheesy comfort we all crave when a hearty meal feels just out of reach. ✨ This classic recipe transforms tender chicken, al dente pasta, and earthy mushrooms into a rich, velvety sauce that bakes into golden perfection.

Growing up in small-town Georgia, I learned how simple ingredients—when combined with patience—create restaurant-worthy dishes right in your own kitchen.

The secret lies in the sauce: a perfect balance of cream, cheese, and a touch of mustard that keeps it bright without overpowering. I've refined this recipe over years of testing, ensuring the pasta stays tender while the sauce develops deep, savory notes from the mushrooms and chicken.

The result? A dish so satisfying it feels like a warm hug on a chilly evening.

What makes this recipe stand out is its foolproof technique—no fancy skills required, just precise timing and a few key steps. The chicken cooks just until tender, the pasta absorbs the sauce without turning mushy, and the cheese melts into a luscious blanket over everything.

It's the kind of meal that disappears faster than you can say "second helping."

For those looking to modernize it, swapping traditional pasta for gluten-free or adding a splash of chicken broth lightens the dish without sacrificing flavor. Let's get started—your taste buds will thank you.

Ingredients for chicken tetrazzini betty crocker

Six ingredients make the sauce. Twelve staples bring it together.

The chicken needs to be tender, not dry. Look for boneless, skinless breasts with good marbling—Costco or Kroger usually have them pre-cut, which saves time. If you're buying whole breasts, pound them to even thickness so they cook uniformly. The mushrooms? Fresh cremini or white add the best earthy flavor, but canned sliced mushrooms work in a pinch (just drain them well). For the cheese, Kraft medium sharp cheddar is my go-to—it melts smoothly without getting grainy, but any sharp cheddar will do.

No heavy cream? Half-and-half or whole milk with a splash of cream cheese gets you close. Fresh thyme is ideal but dried works at one-third the amount. The mustard keeps the sauce bright—Dijon adds depth, but prepared mustard works too. For the pasta, Barilla or De Cecco are my favorites—they hold up well to the sauce without getting mushy. If you're gluten-free, Banza chickpea pasta works beautifully and adds a nice protein boost. The chicken broth? Low-sodium is key—otherwise, you'll need to adjust the salt later.

This dish tastes even better the next day—make extra if you can. Store leftovers in an airtight container for up to 4 days in the fridge. It reheats beautifully—just add a splash of milk or broth to loosen it up. The sauce thickens as it cools, so you might need to thin it with a little warm broth when reheating. For freezing, portion into individual servings and freeze for up to 3 months. Trust me, it's worth the extra effort—nothing beats coming home to that creamy, cheesy aroma.

Step-by-step instructions for chicken tetrazzini

This creamy, cheesy pasta dish comes together beautifully with just a few key techniques.

In a large skillet, melt 2 tablespoons of the butter over medium-high heat. Add the 2.5 lb boneless, skinless chicken breasts, cut into bite-sized pieces, and sprinkle with 0.75 tsp salt and 0.25 tsp black pepper. Cook for 5-6 minutes, stirring occasionally, until the chicken is no longer pink in the center and the edges are lightly browned.

Here's the thing—don't overcrowd the pan. If your skillet gets too full, cook the chicken in batches. You want those pieces to sear properly so they absorb the rich flavors of the sauce later. Once cooked, remove the chicken and set it aside on a plate.

In the same skillet, add the remaining 1 tablespoon butter and melt over medium heat. Add the 1.5 cups sliced white mushrooms and cook for 5-6 minutes until they release their moisture and begin to brown. Stir in the 4 minced garlic cloves and cook for 30 seconds until fragrant.

Sprinkle the 2 tablespoons all-purpose flour over the mushrooms and stir constantly for 1 minute to cook off the raw flour taste. Slowly pour in the 1.5 cups chicken broth while whisking to prevent lumps from forming. Bring to a gentle simmer and cook for 3 minutes until slightly thickened.

Reduce heat to low and stir in the 1 cup heavy cream, 1 tbsp yellow mustard, and 0.5 tsp dried thyme. Let the sauce simmer gently for 5 minutes until it's creamy and slightly thickened. You'll know it's ready when it coats the back of a spoon smoothly.

While the sauce simmers, bring a large pot of water to a rolling boil and add 1.5 tsp salt. Add the 12 oz fettuccine pasta and cook for 1 minute less than the package directions suggest for al dente. This ensures the pasta finishes cooking in the oven.

Reserve 1 cup of the pasta water before draining. This starchy water is your secret weapon for creating a silky sauce later. Drain the pasta and return it to the pot, tossing with a little olive oil to prevent sticking.

Pour the cooked pasta into a large baking dish (about 9x13 inches) and make a well in the center. Add the cooked chicken pieces and pour the mushroom cream sauce over everything. Gently fold the pasta and chicken together until well coated.

Sprinkle the 2 cups shredded cheddar cheese and 0.5 cup freshly grated parmesan cheese evenly over the top. The cheese should melt beautifully into the creamy sauce, creating that signature rich, cheesy texture we all love.

Preheat your oven to 375°F. Bake the tetrazzini uncovered for 20-25 minutes until the top is golden brown and bubbly. If the sauce looks too thick before it's fully cooked, add 2-3 tablespoons of the reserved pasta water to loosen it.

Here's where it gets magical—the cheese should be fully melted and the edges should be slightly crispy. Real talk: your oven might run hot, so start checking at the 20-minute mark. The dish is done when the cheese is bubbling and the edges are golden.

Let the tetrazzini rest for 5 minutes before serving. This resting time allows the sauce to set slightly, making it easier to plate without losing all that delicious sauce. Serve warm with a side of garlic bread or a simple green salad.

Best sauces and condiments for these flavors

Classic Mushroom Cream Sauce

The foundation of any great tetrazzini lies in this rich, velvety sauce. I start by sautéing 1.5 cups sliced mushrooms in 1 tbsp butter until they release their moisture and develop a golden brown crust—this adds deep umami flavor.

The key is to cook them slowly over medium heat for 5-6 minutes, stirring occasionally to prevent burning. 🍄

After adding 4 minced garlic cloves and 2 tbsp all-purpose flour, I slowly whisk in 1.5 cups low-sodium chicken broth to create a smooth roux. This forms the base before incorporating 1 cup heavy cream and 1 tbsp Dijon mustard.

The mustard brightens the sauce, cutting through the richness while the cream adds luxurious body. Simmer for 5 minutes until thick enough to coat the back of a spoon.

Creamy Cheese Variations

For a lighter version, I swap half the heavy cream for whole milk and 2 oz cream cheese, which adds tanginess without heaviness. The cream cheese also helps prevent the sauce from curdling when baked.

If you're watching calories, try Greek yogurt mixed with a splash of milk—it thickens beautifully while reducing fat content.

Cheese selection matters! I prefer sharp cheddar for its bold flavor, but a mix of Gruyère and fontina adds nutty depth. For a vegetarian twist, replace the chicken with sautéed tofu or chickpeas and use nutritional yeast for a cheesy flavor without dairy.

The sauce will still be rich and satisfying.

Herb and Spice Enhancements

A pinch of dried thyme or tarragon elevates the sauce with aromatic complexity. I often add ½ tsp smoked paprika for a subtle smokiness that pairs perfectly with the mushrooms.

For heat lovers, stir in ½ tsp cayenne pepper or a dash of hot sauce at the end to balance the creaminess.

Fresh herbs like parsley or chives add brightness when sprinkled on top before serving. I also like a drizzle of truffle oil (just ½ tsp) for an unexpected gourmet touch. The oil's earthy notes complement the mushrooms beautifully without overpowering the dish.

Sauce Thickening Tips

If your sauce feels too thin after baking, stir in 1 tbsp cornstarch mixed with 1 tbsp cold water and simmer for 2 minutes until thickened. For extra richness, I sometimes whisk in 2 tbsp sour cream at the end—it adds a subtle tang that rounds out the flavors. 💡

Pro tip: If the sauce separates during baking, simply stir vigorously to re-emulsify it. A splash of warm pasta water helps restore the silky texture. The goal is a sauce that clings to the pasta without being gluey—just thick enough to coat every strand.

Frequently asked questions