I grew up with Southern Living magazine on our kitchen counter, and their chicken tetrazzini was the dish my mama made for every church potluck and family gathering. ✨ This creamy, cheesy baked pasta casserole has been a Southern comfort food staple for generations, and I’m thrilled to share my perfected version with you today.
What makes this recipe special is the velvety mushroom-cream sauce that coats tender chicken and pasta, all topped with a golden parmesan crust. It’s the kind of dish that feeds a crowd without breaking a sweat—mix everything in one bowl, pop it in the oven, and let the magic happen while you visit with guests.
By the time that timer goes off, you’ll have bubbling, golden tetrazzini with a crispy breadcrumb topping and a sauce so creamy it clings to every strand of spaghetti. This is comfort food at its finest, perfect for Sunday suppers, potlucks, or when you need to feed your family something that tastes like a warm hug.
Ingredients for recipe chicken tetrazzini southern living
Here’s everything you need to create this classic Southern Living Chicken Tetrazzini at home.
| Ingredient | Amount | Notes |
|---|---|---|
| Cooked Chicken Breast 🍗 | 3 cups | Shredded or cubed rotisserie works |
| Spaghetti 🍝 | 12 oz | Cooked al dente, drained |
| Butter 🧈 | 6 tbsp | Unsalted preferred for control |
| White Mushrooms 🍄 | 8 oz | Sliced, cremini works too |
| All-Purpose Flour 🌾 | ¼ cup | For thickening the sauce |
| Chicken Broth 💧 | 2 cups | Low-sodium preferred for seasoning |
| Heavy Cream 🥛 | 1 cup | Full-fat for richness |
| Parmesan Cheese 🧀 | 1 cup | Freshly grated from block |
| Sharp Cheddar Cheese 🧀 | 1 cup | Shredded, adds Southern flavor |
| Dry Sherry 🍷 | ¼ cup | Or dry white wine |
| Garlic Cloves 🧄 | 3 cloves | Minced for aromatic depth |
| Onion 🧅 | 1 whole | Yellow or white, diced |
| Panko Breadcrumbs 🍞 | ¾ cup | For golden crispy topping |
| Salt 🧂 | 1 tsp | Adjust to taste preference |
| Black Pepper 🌶️ | ½ tsp | Freshly ground preferred |
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You can find all these ingredients at your local grocery store. For the best quality Parmesan, buy a block from the deli section and grate it fresh—pre-grated doesn't melt as smoothly. Rotisserie chicken from Costco or your grocery store deli saves time and adds great flavor. Look for firm white mushrooms without dark spots. Kerrygold butter adds exceptional richness if you want to splurge a bit.
Don't have dry sherry? Substitute dry white wine or even chicken broth with a splash of lemon juice. If you can't find panko, regular breadcrumbs work—just toast them in butter first for extra crunch. Half-and-half can replace heavy cream for a lighter version, though the sauce won't be quite as rich. Gruyere or fontina make excellent substitutes for cheddar if you want a more sophisticated flavor profile.
Store leftover tetrazzini covered in the refrigerator for up to 3 days. It reheats beautifully in the oven at 350°F until warmed through. You can assemble this casserole up to 24 hours ahead and refrigerate unbaked—just add 10 extra minutes to the baking time.
Step-by-Step Instructions for Southern Living Chicken Tetrazzini
Let me walk you through this classic Southern comfort dish that’s guaranteed to become a family favorite.
🍳 Step 1: Cook Pasta and Prepare the Chicken
Bring a large pot of salted water to a rolling boil and cook spaghetti until 1 minute shy of al dente according to package directions. Drain and set aside—don’t rinse it, as the surface starch helps the sauce cling better.
While the pasta cooks, I like to use rotisserie chicken for convenience, shredding it into bite-sized pieces. If you’re cooking chicken from scratch, poach chicken breasts in seasoned broth for 15-20 minutes until they reach 165°F internally, then let them cool before shredding.
🥘 Step 2: Make the Creamy Mushroom Sauce
Melt butter in a large skillet over medium heat. Add sliced mushrooms and cook for 5-6 minutes until golden brown and any released liquid has evaporated. Stir in minced garlic and cook for 30 seconds until fragrant.
Sprinkle flour over the mushrooms and stir constantly for 1 minute to cook out the raw flour taste. Gradually whisk in chicken broth and heavy cream, stirring constantly to prevent lumps. Bring to a simmer and cook for 3-4 minutes until the sauce thickens enough to coat the back of a spoon. Season with salt, pepper, and a pinch of nutmeg.
🔥 Step 3: Combine and Bake Until Bubbly
Preheat your oven to 350°F and grease a 9×13-inch baking dish. In a large bowl, combine the cooked pasta, shredded chicken, and creamy mushroom sauce, tossing until everything is evenly coated. Fold in shredded Parmesan cheese and transfer the mixture to your prepared baking dish.
Top with additional Parmesan and breadcrumbs for a golden, crispy topping. Bake for 25-30 minutes until the sauce is bubbling around the edges and the top is golden brown. Let it rest for 5 minutes before serving to allow the sauce to set slightly.
Troubleshooting Perfect Results
Problem: Sauce turns out watery and won’t thicken? Root Cause: This usually happens when you don’t cook the roux long enough or add too much liquid at once. The flour needs 3-4 minutes of cooking time to eliminate the raw taste and develop thickening power. Quick Fix: Make a slurry with 2 tbsp cornstarch mixed with ¼ cup cold milk, whisk it into your sauce, and simmer for 3-5 minutes until it thickens. For prevention, always cook your butter-flour roux until it’s golden and smells nutty before adding liquids gradually while whisking constantly. 🔧
Problem: Chicken comes out dry and rubbery? Root Cause: You’re either using overcooked chicken or baking the casserole too long at too high a temperature, which causes the protein to seize up and release moisture. Quick Fix: If you catch it early, add ½ cup chicken broth to the casserole, cover tightly with foil, and bake at 325°F for 10 minutes to rehydrate. For prevention, use rotisserie chicken or poach chicken breasts to exactly 165°F internal temperature, then shred while still warm. Never use leftover grilled chicken—it’s already too dry for casseroles.
Problem: Pasta gets mushy and overcooked? Root Cause: You cooked the spaghetti to full doneness before baking, but it continues cooking in the oven and absorbs sauce, becoming soggy. Quick Fix: Unfortunately, you can’t reverse mushy pasta, but you can salvage the dish by adding 2 cups fresh cooked al dente pasta and mixing it in to balance the texture. For prevention, always undercook your pasta by 2-3 minutes less than package directions—it should be quite firm and almost crunchy in the center. I cook mine for just 6 minutes when the package says 9 minutes. 🆘
Problem: Top burns before the casserole heats through? Root Cause: Your oven rack is positioned too close to the heating element, or you’re baking at too high a temperature without covering the dish initially. Quick Fix: Immediately tent the casserole with aluminum foil and lower the temperature to 325°F, then continue baking until the center reaches 165°F. For prevention, always start covered with foil for the first 20 minutes at 350°F, then uncover for the final 10-15 minutes to brown the top. Position your rack in the center of the oven, never on the top third.
Problem: Sauce separates and looks curdled or greasy? Root Cause: The dairy overheated too quickly, causing the proteins to clump and the fat to separate, or you used pre-shredded cheese with anti-caking agents that prevent smooth melting. Quick Fix: Remove from heat immediately and whisk in 2-3 tbsp heavy cream vigorously until it comes back together. For prevention, always use freshly grated cheese from a block—I use Parmigiano-Reggiano and shred it myself. Add cheese off the heat after your sauce has cooled slightly, and never let the sauce boil once dairy is added. 🔧
Nutrition Facts
485kcal
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Trained in classic French technique but raised on slow-cooked ribs and spicy rubs, she blends culinary skill with smoke and soul.
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