Chicken Tetrazzini
Classic Chicken Tetrazzini Casserole
This beloved comfort food classic layers tender shredded chicken with earthy mushrooms in a rich, wine-laced cream sauce. The final touch — golden breadcrumbs mixed with Parmesan — creates the perfect contrast to the silky pasta beneath.
Tetrazzini might sound fancy, but it's actually named after an opera singer who loved rich, comforting food — and honestly, that tells you everything you need to know about this dish. Luisa Tetrazzini was performing in San Francisco in the early 1900s when a chef created this creamy pasta bake in her honor, and it's been winning over dinner tables ever since.
What makes tetrazzini special isn't just the combination of chicken, mushrooms, and pasta — it's the technique behind that silky cream sauce. You're building layers of flavor by cooking the chicken first, then using that same pan to develop the mushrooms and aromatics. The wine reduces down to concentrate its flavor, and when you make the cream sauce in those same fond-coated depths, you're capturing every bit of richness that built up along the way.
The real magic happens when everything comes together in the oven. The breadcrumb and Parmesan topping creates this golden, slightly crunchy contrast to the creamy pasta underneath, while the edges bubble and concentrate into pure comfort food perfection. It's the kind of dish that makes your kitchen smell like someone's been cooking with love all day.
Ingredients
- 9 tbspunsalted butter
- 2 tbspextra-virgin olive oil
- 4 boneless skinless chicken breasts, about 6 oz each
- 2¼ tspkosher salt, divided
- 1¼ tspfreshly ground black pepper, divided
- 1 lbwhite button mushrooms, sliced 1/4-inch thick
- 1 large yellow onion, finely diced
- 5 clovegarlic cloves, minced
- 1 tbspfresh thyme leaves, finely chopped
- ½ cupdry white wine, such as Pinot Grigio
- ⅓ cupall-purpose flour
- 4 cupwhole milk, brought to room temperature
- 1 cupheavy whipping cream, room temperature
- 1 cuplow-sodium chicken broth
- ⅛ tspfreshly grated nutmeg
- 12 ozlinguine pasta
- ¾ cupfrozen peas, no need to thaw
- ¼ cupfresh Italian parsley leaves, roughly chopped
- 1 cupfreshly grated Parmesan cheese
- ¼ cuppanko-style Italian seasoned breadcrumbs
Instructions
- Crank your oven to 450°F and take 1 tablespoon of butter to grease a 13x9x2-inch baking dish thoroughly — this prevents sticking and adds extra richness to the bottom layer.
- Heat 1 tablespoon each of butter and oil in a large nonstick skillet over medium-high heat until the butter foams. Season the chicken breasts all over with 0.5 teaspoon each of salt and pepper, then cook them 4 minutes per side until deeply golden and the internal temperature hits 165°F. Move to a plate to cool, then use two forks to shred into bite-sized pieces and place in a large mixing bowl.⏱ 8 min
- Add another tablespoon each of butter and oil to the same skillet and toss in the sliced mushrooms. Cook over medium-high heat until their liquid evaporates and they turn golden brown, about 1-2 minutes. Stir in the onion, garlic, and thyme, then continue cooking until the onion becomes translucent and soft, about 8 minutes. Pour in the wine and let it bubble until completely evaporated, about 2 minutes. Scrape everything into the bowl with the chicken.⏱ 11 min
- Lower the heat to medium-low and melt the remaining 3 tablespoons butter in the same skillet. Sprinkle in the flour and whisk constantly for 2 minutes — this cooks out the raw flour taste. Gradually whisk in the milk, cream, broth, nutmeg, and remaining salt and pepper. Bump the heat up to high, cover, and bring to a boil, then uncover and simmer while whisking frequently until the sauce coats the back of a spoon, about 10 minutes.⏱ 12 min
- Meanwhile, bring a large pot of generously salted water to a rolling boil. Add the linguine and cook, stirring occasionally, until it's tender but still has a slight bite — about 9 minutes or according to package directions. Drain well.⏱ 9 min
- Combine the drained linguine, cream sauce, peas, and parsley with the chicken and mushroom mixture. Toss everything together until every strand of pasta is coated and the ingredients are evenly distributed throughout.
- Spoon the mixture into your prepared baking dish and spread it evenly. In a small bowl, toss together the Parmesan and breadcrumbs, then sprinkle this mixture over the top. Dot the surface with the remaining 3 tablespoons of butter, then bake uncovered until the top is golden brown and the edges are bubbling vigorously, about 25 minutes.⏱ 25 min
Tips & Tricks
- Room temperature dairy prevents the cream sauce from breaking — cold milk hitting hot flour can create lumps that won't whisk out.
- Don't skip the wine reduction step; those two minutes of bubbling concentrate the flavor and cook off the harsh alcohol bite.
- Shred the chicken while it's still slightly warm — it falls apart more naturally and creates better texture than cutting with a knife.
- The sauce should coat a spoon but still flow easily when you pour it; if it's too thick, whisk in a splash more broth.
- Save some pasta water before draining — a few tablespoons stirred in helps the sauce cling to every strand of linguine.
Frequently Asked Questions
Can I use leftover chicken instead of cooking it fresh?
Absolutely — use about 3 cups of shredded rotisserie chicken or any leftover cooked chicken. Skip step 2 and add the chicken with the mushroom mixture in step 3. You'll miss some of the fond flavor, but it's still delicious and saves time.
What can I substitute for the white wine?
Use an extra 1/2 cup of chicken broth instead. The wine adds depth, but the dish works fine without it. If you want some acidity, add a tablespoon of lemon juice with the herbs.
How do I know when the cream sauce is thick enough?
Dip a spoon in the sauce and run your finger across the back — if the line holds for a few seconds before running together, it's ready. It should coat the spoon but not be so thick that it doesn't pour easily.
Can I assemble this ahead and bake later?
Yes, cover tightly and refrigerate for up to 24 hours before baking. Add 10-15 minutes to the bake time since it's starting cold, and check that the center is heated through before serving.
Why are the edges of my casserole drying out?
The sauce might be too thick, or your oven runs hot. Next time, make the sauce a bit looser, cover with foil for the first 15 minutes of baking, then uncover to brown the top.