Go Back
Easy Chicken Tetrazzini Recipe

Easy Chicken Tetrazzini Recipe

Easy Chicken Tetrazzini Recipe is a creamy, cheesy casserole featuring tender chicken, al dente linguine, sautéed mushrooms and a velvety sauce. Perfect for an easy weeknight dinner or a cozy family gathering, it bakes to a golden, bubbling top that everyone loves, making it a reliable go to when you want comfort without fuss.
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Dinner
Cuisine Italian
Servings 8 servings
Calories 450 kcal

Equipment

  • 6-quart Dutch Oven
  • 9x13 casserole dish

Ingredients
  

  • 1 1/2 pound s (680 g) chicken breasts Cooked and shredded to provide the primary lean protein and hearty texture for the casserole, adding substance and flavor that soaks up the creamy sauce.
  • 1/2 teaspoon salt Seasoned lightly to enhance the overall savory balance of the dish and to bring out the natural flavors of the chicken without overpowering other ingredients.
  • 1/2 teaspoon ground black pepper Ground and added in small amount to introduce mild heat and aromatic depth, complementing the salt and rounding out the savory profile.
  • 1 tablespoon (15 ml) olive oil not extra virgin Heated briefly to brown the chicken or sauté vegetables, contributing a neutral, stable fat that helps develop fond and prevents sticking during cooking.
  • 6 tablespoons (84 g) unsalted butter divided Melted in stages to create a rich, silky base for the sauce and to sauté mushrooms and onions; divided use helps control browning and creaminess.
  • 1 pound (450 g) linguine pasta Boiled until al dente and combined with the sauce to provide comforting, long strands that carry the creamy mixture throughout each bite.
  • 1 pound (450 g) button mushrooms thickly sliced Sautéed until golden to contribute an earthy, meaty flavor and tender bite that complements the chicken and absorbs the cream sauce.
  • 1 medium yellow onion finely chopped Sweated or sautéed to release sweetness and aromatic depth, forming a flavorful foundation that supports the richness of the sauce.
  • 3 cloves garlic minced Minced and cooked briefly to impart pungent, aromatic flavor that enhances the savory components without dominating the dish.
  • 1/4 cup (30 g) all-purpose flour Whisked into melted butter to form a roux that thickens the sauce, giving it body and a smooth, velvety texture.
  • 2 cups (480 ml) chicken stock Simmered with the roux to build the liquid base of the sauce, adding savory, meaty notes that deepen the overall flavor.
  • 1 1/2 cups (360 ml) half and half Stirred into the sauce to add richness and creaminess, creating a silky texture and mellow dairy flavor that balances the stock.
  • 2 cups (240 g) shredded mozzarella cheese divided Folded into the hot sauce and sprinkled on top to provide gooey, melty cheesiness and stringy texture when baked.
  • 1/4 cup (21 g) grated Parmesan cheese Sprinkled over the finished casserole to deliver sharp, salty, nutty notes and a slightly granular finish that enhances overall flavor.

Instructions
 

  • Season the chicken breasts with salt and pepper.: Warm steam rises as you pat seasoning into the chicken , and the small crystals draw out a hint of moisture that helps form a flavorful crust when seared. I always press the salt and black pepper into the meat so it adheres, which creates a savory surface that browns attractively. One sensory clue you want is a faintly tacky surface before it hits the pan, not wet from excess marinade. A common mistake here is under seasoning, which leaves the finished casserole flat, so be sure each piece has even coverage.
  • In a Dutch oven, melt 2 tablespoons of butter and add olive oil. Sear the chicken breasts until fully cooked (about 10 minutes), then remove them from the pot. Cut into bite-size pieces and set aside.: You will hear a lively sizzle as the chicken meets the hot fat, and that sound is the cue that browning is happening. Browning creates Maillard notes, deepening the savory profile of the final dish, and the browned bits on the pot bottom will later enrich the sauce. When the chicken releases easily from the pan and has golden edges, it is usually ready; an internal texture that is firm but still juicy indicates doneness. Overcooking here makes the meat dry after baking, so remove it once cooked through and rest briefly before dicing to preserve juiciness.
  • In a large pot of salted boiling water, cook the pasta according to the package instructions until al dente. Drain and set aside.: The pot will smell faintly of starch and the water should shimmer vigorously at a rolling boil before adding the pasta . Cooking al dente means the strands will be tender but still offer a little resistance when bitten, which is important because the oven will continue to soften them. Drain and toss briefly with a touch of butter if you like, to prevent sticking. A common error is overcooking at this stage, which results in limp, mushy pasta after baking.
  • To the same Dutch oven where you cooked the chicken, add 4 tablespoons of butter and let it melt. Add the sliced mushrooms and cook until they start to brown (about 4 minutes).: As the butter melts and the mushrooms hit the pan you will hear a pronounced sizzle and begin to smell a toasty, savory aroma. Browning concentr ates their flavor and releases moisture that then evaporates, leaving caramelized edges that add rich umami to the sauce. Avoid crowding the pan which causes steaming instead of browning; work in batches if necessary. Mushrooms trapped in moisture will stay pale and rubbery, so keep the heat steady for good color development.
  • Add the chopped onion and minced garlic, and cook until the onions are translucent (2-3 minutes).: When you add the onion and garlic , the scent shifts to a sweet, fragrant aroma that signals base flavors building. The visual cue is the onion turning clear and soft, not browned, which ensures it will melt into the sauce rather than adding a distinct crunchy texture. Stir frequently to distribute heat evenly and prevent the garlic from burning, which would introduce bitter notes. If the pan gets too hot, lower the flame briefly to avoid scorching.
  • Sprinkle the flour over the mushrooms and stir well, cooking for a minute.: The moment you add the flour , you will see it absorb the fats and become a pasty roux; it should bubble gently without darkening too much. Cooking this minute removes the raw flour taste and prepares it to thicken the liquid. Keep stirring so the roux cooks evenly. A frequent mistake is to skip this step, which can leave the finished sauce with a raw flour flavor or a lumpy texture if not incorporated properly.
  • Slowly add the chicken stock and half and half, stirring continuously to avoid lumps. Let the sauce thicken slightly.: As you introduce the warm chicken stock and half and half , whisking steadily transforms the pasty roux into a glossy sauce. You will notice the sauce go from chalky to velvety, and little steam will curl off the surface as it simmers. Simmer gently to encourage reduction and concentration of flavor, but avoid rapid rolling boils that can break the dairy. If you see small lumps, keep whisking over moderate heat and they will smooth out; if not, pass the sauce through a fine sieve to rescue the texture.
  • Add 1 cup of shredded mozzarella and the Parmesan cheese. Stir until the cheese is melted and the sauce is smooth. Remove from heat, and season with salt and pepper to taste.: When the cheeses enter the warm liquid, they melt into strings then a glossy blanket that coats the spoon, and the aroma becomes mildly nutty and creamy. Removing from heat at the right moment prevents the proteins from seizing and the fats from separating, preserving a silky mouthfeel. Taste and adjust seasoning carefully, since cheeses contribute salt. A common slip is overheating which causes a grainy or split sauce; to fix this gently whisk in a splash of warm stock off heat.
  • Return the cooked chicken and pasta to the Dutch oven and mix well to coat everything in the sauce.: At this stage the glossy sauce envelopes the pasta and chicken , creating a cohesive mixture where each strand and morsel is coated. Use a gentle folding motion to combine so the pasta does not break and the chicken pieces remain intact. The visual cue is an even, creamy coating without pools of loose liquid. If the dish seems tight, stir in a tablespoon of reserved pasta water to loosen it; over stirring can make the pasta mushy.
  • Preheat your oven to 375°F (190°C), or 170°C if you have a fan oven. Transfer the mixture to a 9×13-inch baking dish. Top with the remaining 1 cup of shredded mozzarella.: You will hear a soft hiss as the casserole hits the warm oven air and soon smell the baking cheeses taking on a golden tone. Evenly spreading the top layer of mozzarella produces a bubbly, slightly browned crust that contrasts with the creamy interior. Arrange the mixture so it is level for even baking. A common oversight is skipping the preheat which lengthens bake time and affects texture, so always preheat the oven first.
  • Bake for 30 minutes or until the top is bubbling and golden. Allow to cool for a few minutes before serving.: In the oven you will hear gentle bubbling as moisture escapes and the top crisps to a light gold, and the aroma will deepen to toasty, cheesy notes. Letting it rest briefly after baking allows the sauce to settle so servings hold their shape better, and it makes the first spoonful less likely to run. A potential problem is opening the oven too often which lowers temperature and increases bake time; resist peeking until the last ten minutes unless necessary.

Notes

  • One pot option Use an oven safe Dutch oven to finish the casserole from stovetop to oven without transferring, saving cleanup and keeping flavorful browned bits in the sauce.
  • Use leftover chicken Save time by shredding rotisserie or pre cooked chicken, about 3 cups, which keeps prep quick and maintains great texture.
  • Don’t overcook the pasta Aim for al dente since the oven will continue cooking, preventing mushy strands and preserving structure in the finished bake.
  • Reserve pasta water Keep a cup of the starchy cooking water to loosen the sauce if it tightens up when mixed with the pasta and chicken.
  • Add-ins Stir in blanched vegetables such as peas or broccoli before baking to introduce color and extra nutrients without altering the core technique.
  • Storage and reheating Refrigerate leftovers for up to three days, reheat gently with a splash of milk or stock to revive creaminess, and freeze for up to three months using airtight containers.
Keyword cheesy chicken tetrazzini recipe, creamy chicken pasta casserole, easy chicken tetrazzini, weeknight chicken pasta bake