Chicken Tortellini Casserole is the quintessential comfort food, bringing together the delightful combination of cheese-filled tortellini, tender chicken, and vibrant broccoli, all enveloped in a rich, cheesy sauce and baked until irresistibly bubbly and golden brown. This casserole isn’t just a meal; it’s a warm embrace in a dish, promising a comforting and flavorful experience that the whole family will adore.

Why This Chicken Tortellini Casserole is Your New Favorite Dinner
There’s hardly anything more comforting and satisfying than a hearty dish featuring cheese and pasta. This Chicken Tortellini Casserole stands out as a true masterpiece of convenience and flavor, designed to make your weeknight dinners effortless yet incredibly delicious. Forget complicated recipes and lengthy prep times; this dish is engineered for simplicity without compromising on taste.
The secret to its quick and easy preparation lies in smart shortcuts. We leverage the incredible convenience of pre-cooked rotisserie chicken, which is not only tender and juicy but also packed with flavor, saving you precious cooking time. Additionally, we use frozen tortellini directly from the package, eliminating the need for thawing or pre-boiling. Just toss it in, and the oven does the rest!
Even the broccoli gets the shortcut treatment. By chopping it into small, bite-sized pieces, it bakes perfectly alongside the pasta and chicken, absorbing all the wonderful flavors of the cheesy sauce. This means no extra pots or pans to wash, making cleanup a breeze. These clever shortcuts consistently yield a fantastic casserole every single time, proving that delicious home-cooked meals don’t have to be a hassle. It’s a guaranteed crowd-pleaser that delivers big on comfort and flavor, becoming a staple in your family’s meal rotation.

Essential Ingredients for Your Creamy Chicken Tortellini Bake
Crafting this delightful casserole requires a harmonious blend of simple, readily available ingredients. Each component plays a crucial role in building the irresistible flavor and texture of the dish. Here’s a closer look at what you’ll need and why:
- Broccoli: Fresh broccoli, chopped into small, florets, ensures even cooking and tender texture without the need for pre-cooking. It adds a wonderful pop of color and essential nutrients to the rich casserole.
- Rotisserie Chicken: The ultimate time-saver! Pre-cooked rotisserie chicken provides tender, flavorful meat with minimal effort. Alternatively, you can use any leftover grilled or baked chicken, chopped into small pieces. This ensures your chicken is perfectly seasoned and cooked before it even hits the casserole dish.
- Frozen Cheese-Filled Tortellini: This is the heart of our pasta casserole. Opt for good quality frozen tortellini – no need to thaw or boil beforehand. Its frozen state allows it to cook directly in the sauce, absorbing all the wonderful flavors as it bakes to al dente perfection. Ensure it’s cheese-filled for that extra creamy goodness.
- Unsalted Butter: The foundation of our roux, unsalted butter allows you to control the overall saltiness of the sauce. It provides a rich, creamy base that helps to thicken the sauce and carries the flavors beautifully.
- All-Purpose Flour: Essential for creating a smooth, thick, and lump-free cheesy sauce. When whisked into melted butter and cooked for a minute, it forms a roux that acts as a fantastic thickening agent, ensuring a luxurious consistency.
- Milk: Any fat percentage of milk will work here. I typically use 1% milk for a balanced richness, but feel free to use 2% or whole milk for a creamier, more indulgent sauce. It helps create a silky-smooth texture for the béchamel base.
- Chicken Broth or Stock: Use low-sodium chicken broth to maintain control over the salt levels in your dish. It adds depth and savory notes to the sauce, ensuring it’s packed with flavor.
- Sharp Cheddar Cheese: For the best melting and most robust flavor, I highly recommend grating your own sharp cheddar cheese. Pre-shredded cheeses often contain anti-caking agents that can hinder smooth melting, whereas freshly grated cheese melts beautifully, creating a wonderfully gooey and cheesy casserole.
- Parmesan Cheese: A key ingredient for both flavor and texture. We’ll incorporate some into the sauce for its salty, nutty notes, and reserve a portion to sprinkle on top. The Parmesan creates a delightful golden, crispy crust when baked, adding another layer of texture.
- Sour Cream: This ingredient is crucial for adding an incredible tang and extra creaminess to the cheesy sauce. It brightens the flavor profile and contributes to the velvety texture that makes this casserole so comforting. For a lighter option, fat-free sour cream works wonderfully too.
- Seasonings: A carefully selected blend of seasonings elevates the casserole from good to unforgettable. This recipe calls for chicken bouillon powder for an extra savory punch, Dijon-style mustard to add a subtle tang and complexity, dried parsley flakes for herbaceous freshness, roasted garlic powder for a deeper garlic flavor, and granulated onion for aromatic depth. Remember to adjust salt and pepper to your preference, tasting as you go.
- Panko Breadcrumbs: These Japanese-style breadcrumbs are prized for their light, airy, and extra-crispy texture. Toasting them in butter until golden before adding to the top of the casserole creates an incredibly crunchy and flavorful topping, providing a delightful contrast to the creamy pasta underneath.
Featured Comment
I made this delicious meal last night. All my family and I can say is “yummy!” My 3-year-old’s review: “This is the best supper I have ever had here (home)!” I definitely recommend this one. Thank you!!
– Jenny

Step-by-Step: Crafting Your Perfect Chicken Tortellini Casserole
Creating this delightful casserole is straightforward and fun! Follow these simple steps to bring a bubbling, cheesy masterpiece to your table:
- Prepare Your Oven and Baking Dish: Begin by preheating your oven to 375°F (190°C). As it heats, gather a 9×13-inch baking dish. In this dish, combine the finely chopped broccoli, shredded rotisserie chicken, and the frozen cheese-filled tortellini. Give everything a good toss to ensure the ingredients are evenly distributed, laying the groundwork for a perfectly balanced casserole.
- Whip Up the Creamy Cheesy Sauce: In a small saucepan set over medium heat, melt the 3 tablespoons of unsalted butter. Once the butter is fully melted and slightly shimmering, gradually whisk in the all-purpose flour. Continue whisking constantly for about 1 minute to cook out the raw flour taste, forming a thick, smooth roux. This is crucial for a lump-free sauce. Then, slowly add 1/3 cup of milk, whisking vigorously until fully incorporated and smooth. Repeat this process, alternating with 1/3 cup of chicken broth, then another 1/3 cup of milk, and the remaining 1/3 cup of broth. Ensure you whisk after each addition until the sauce is completely smooth and begins to thicken.
- Infuse with Cheesy Flavor and Seasonings: Once your white sauce base is beautifully thickened, remove the saucepan from the heat. Stir in the freshly shredded sharp cheddar cheese and half of the Parmesan cheese (1/2 cup), whisking until both cheeses have melted completely, creating a luscious, smooth, and incredibly cheesy sauce. Next, fold in the sour cream, whisking until it’s fully incorporated and the sauce is velvety. Finally, stir in the chicken bouillon powder, Dijon mustard, dried parsley flakes, roasted garlic powder, and granulated onion. Season generously with salt and pepper to taste; remember that Parmesan cheese also contributes to the saltiness, so taste before adding too much! (A good starting point is 1/2 teaspoon salt and 1/4 teaspoon pepper).
- Assemble and Bake (Initial Phase): Pour the rich, creamy cheese sauce evenly over the tortellini, chicken, and broccoli mixture in the baking dish. Gently toss all the ingredients with a spatula to ensure every piece of tortellini, chicken, and broccoli is thoroughly coated in the delicious sauce. Make sure the tortellini is submerged in the sauce to cook properly. Sprinkle the remaining 1/2 cup of Parmesan cheese over the top of the casserole. Cover the baking dish tightly with aluminum foil and transfer it to the preheated oven. Bake for an initial 30 minutes, allowing the tortellini to cook through and the flavors to meld beautifully.
- Add the Crispy Topping and Finish Baking: While the casserole is baking, prepare your irresistible panko topping. In a small saucepan over medium-high heat, melt the 2 tablespoons of butter designated for the topping. Add the panko breadcrumbs to the melted butter and toast them, stirring constantly, until they turn a beautiful light golden brown and become wonderfully crisp. After the casserole has baked for 30 minutes, carefully remove it from the oven. Uncover it and sprinkle the toasted panko breadcrumbs evenly over the cheesy top. Return the uncovered casserole to the oven and bake for another 8-10 minutes, or until the casserole is bubbly around the edges and the panko topping is deeply golden and extra crispy. Remove from the oven, let it cool for a few minutes, and serve hot!

Creative Variations to Switch Things Up
This Chicken Tortellini Casserole is incredibly versatile, allowing you to easily customize it to suit your taste or what you have on hand. Here are some fantastic ways to switch things up and explore new flavor profiles:
- Chicken Tortellini with Pesto: For a vibrant and herbaceous twist, try my favorite Pesto Tortellini recipe. The bright, fresh flavors of pesto perfectly complement the tender chicken and cheesy pasta, offering a wonderful departure from a traditional cream sauce.
- Lighter Sauce Option: If you’re looking to reduce the fat content without sacrificing flavor, simply swap out full-fat sour cream for fat-free sour cream and use 1% milk instead of higher fat percentages. The sauce will still be wonderfully creamy and delicious, just with fewer calories.
- Chicken Tortellini Marinara: Craving a tomato-based dish? Adapt this one-skillet tomato tortellini sausage recipe by replacing the sausage with your chopped rotisserie chicken. The rich marinara sauce combined with cheesy tortellini and chicken creates a comforting Italian-inspired meal.
- Cheesy Chicken Tortellini Soup: Transform this casserole into a soul-warming soup! My favorite Creamy Chicken Tortellini Soup offers a similar flavor profile in a comforting bowl, perfect for a chilly evening.
- Add More Vegetables: Feel free to incorporate other quick-cooking vegetables like chopped bell peppers, spinach (stirred in at the end), or even sliced mushrooms for added flavor and nutrition.
- Different Cheeses: Experiment with different cheese combinations! A mix of mozzarella, fontina, or Gruyere could add new dimensions of flavor and meltiness to your sauce and topping.
- Spicier Kick: For those who enjoy a bit of heat, add a pinch of red pepper flakes to the sauce along with the other seasonings. You can also drizzle with a little hot sauce before serving.

Making Ahead and Storing Your Delicious Leftovers
This Chicken Tortellini Casserole is perfect for meal prep, feeding a crowd, or enjoying delicious leftovers. Here’s how to manage it efficiently:
- Preparing Ahead (Meal Prep Friendly): To get a head start, assemble the entire casserole as directed, but hold off on adding the panko breadcrumb topping. Cover the baking dish tightly with plastic wrap or aluminum foil and refrigerate for up to 2 days. When you’re ready to bake, remove the casserole from the fridge and let it sit at room temperature for about 30 minutes while your oven preheats to 375°F (190°C). Add the prepared panko topping, cover with foil, and bake for 45-50 minutes, or until the casserole is thoroughly heated and bubbly throughout. Remove the foil for the last 10 minutes for a crispy top.
- Reheating Leftovers: Any remaining portions of this delectable casserole can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, you can cover individual servings with foil and bake them at 375°F (190°C) for about 30 minutes, or simply microwave individual portions until warmed through. If the sauce has thickened significantly during refrigeration, stir in a splash of milk or chicken broth before reheating to restore its creamy consistency.
- Freezing for Later Enjoyment: This casserole freezes beautifully! Assemble the dish up to the step before adding the panko topping. Allow the casserole to cool completely if it has been partially baked. Then, wrap it very tightly with several layers of plastic wrap and then aluminum foil to prevent freezer burn. Label with the date. It can be frozen for up to 3 months. To cook from frozen, thaw in the refrigerator overnight, then bake as directed for a prepared-ahead casserole, adjusting baking time as needed. For a direct-from-frozen bake, cover tightly with foil and bake at 350°F (175°C) for about 1 hour 15 minutes, then uncover, add panko, and continue baking until bubbly and golden.
What To Serve With Your Chicken Tortellini Casserole:
Green Salads
Garden Salad
Appetizers
Life-Changing No-Knead Dinner Rolls
Side Dishes
Roasted Vegetables
Salads
My Favorite Fruit Salad Recipe
Frequently Asked Questions (FAQs)
Here are some common questions about making Chicken Tortellini Casserole:
- Can I use fresh tortellini instead of frozen?
- While this recipe is specifically developed for frozen tortellini (which holds its shape and texture well during baking), you can use fresh tortellini. If using fresh, it cooks much faster, so you might want to reduce the initial baking time by 5-10 minutes to prevent it from becoming mushy. Ensure it is fully coated in sauce.
- What if I don’t have rotisserie chicken?
- No problem! You can use any cooked chicken, such as baked chicken breasts, grilled chicken thighs, or even leftover turkey. Just ensure it’s cooked and chopped into small, bite-sized pieces. About 2 cups of cooked chicken is what you’ll need.
- Can I add other vegetables to the casserole?
- Absolutely! This casserole is highly adaptable. Consider adding chopped bell peppers, spinach, or even sautéed mushrooms. For denser vegetables like carrots or potatoes, you might want to lightly pre-cook them before adding to the casserole to ensure they soften properly in the oven.
- How can I make this casserole spicier?
- For a delightful kick, add 1/4 to 1/2 teaspoon of red pepper flakes to the sauce along with the other seasonings. You can also incorporate a dash of your favorite hot sauce into the sauce or drizzle it over individual servings for personalized heat.
- Is it possible to make this gluten-free?
- Yes, with a few substitutions! Look for gluten-free cheese tortellini (available in many specialty stores or freezer sections). For the sauce, use a gluten-free all-purpose flour blend (ensure it’s suitable for thickening sauces) and ensure your chicken broth is certified gluten-free. Most other ingredients are naturally gluten-free.
Rating: 4.93 from 26 votes
Chicken Tortellini Casserole
By Chelsea Lords
Chicken Tortellini Casserole combines delicious cheese-filled tortellini pasta, tender bites of chicken, and fresh broccoli, tossed in a cheesy sauce and baked until hot and bubbly. This easy casserole is comforting, flavorful, and satisfying.
Prep Time: 25 minutes
Cook Time: 37 minutes
Total Time: 1 hour 2 minutes
Servings: 6 servings
Print Recipe
Equipment
- 9 x 13-inch baking pan
- Small pot
- Aluminum foil
Ingredients
- 2 cups broccoli, chopped into very small pieces
- 2 cups cooked chicken (e.g., rotisserie), chopped into small pieces
- 1 pound cheese-filled tortellini (16 ounces, frozen, not fresh or dried)
- 3 tablespoons unsalted butter
- 1/3 cup all-purpose flour
- 1 cup milk (1%, 2%, or whole; 1% recommended for balance)
- 1 cup chicken stock or chicken broth (low-sodium recommended)
- 1 cup freshly shredded sharp Cheddar cheese
- 1 cup freshly grated Parmesan cheese, divided
- 1/2 cup sour cream (fat-free can be used for a lighter option)
- 2 teaspoons chicken bouillon powder
- 1-1/2 teaspoons Dijon-style mustard
- 1 teaspoon dried parsley flakes
- 1 teaspoon roasted garlic powder
- 1/4 teaspoon granulated onion
- Salt and pepper to taste
Topping
- 2 tablespoons unsalted butter
- 3/4 cup panko breadcrumbs
Instructions
- Preheat oven to 375°F (190°C). In a 9×13-inch baking dish, combine the chopped broccoli, cooked chicken, and frozen tortellini (no need to thaw). Toss everything together to ensure even distribution.
- Prepare the Cheesy Sauce: Melt 3 tablespoons of unsalted butter in a small pot over medium heat. Gradually whisk in the flour until a thick paste forms. Cook, whisking constantly, for 1 minute to remove the raw flour taste. Slowly add 1/3 cup of milk, whisking until smooth, then 1/3 cup chicken stock, whisking until smooth. Repeat with another 1/3 cup milk, another 1/3 cup stock, the remaining 1/3 cup milk, and the remaining 1/3 cup stock, whisking after each addition until the sauce is completely smooth and thickened.
- Season the Sauce: Remove the pot from heat. Stir in the sharp Cheddar cheese and 1/2 cup of Parmesan cheese, whisking until fully melted and smooth. Incorporate the sour cream, then stir in the chicken bouillon powder, Dijon mustard, dried parsley flakes, roasted garlic powder, and granulated onion. Season with salt and pepper to taste (I recommend starting with 1/2 teaspoon salt and 1/4 teaspoon pepper).
- Assemble and Initial Bake: Pour the prepared sauce over the tortellini mixture in the baking dish. Toss gently to ensure all ingredients, especially the tortellini, are evenly coated and submerged in the sauce. Sprinkle the remaining 1/2 cup of Parmesan cheese over the top. Cover the dish tightly with aluminum foil and bake for 30 minutes.
- Prepare Topping and Final Bake: While the casserole bakes, melt the 2 tablespoons of butter for the topping in a small saucepan over medium-high heat. Add the panko breadcrumbs and toast, stirring constantly, until they are light golden brown and crispy. After 30 minutes, remove the casserole from the oven, uncover, and sprinkle the toasted panko evenly over the cheese. Return to the oven, uncovered, and bake for another 8-10 minutes, or until the casserole is bubbly and the topping is golden brown and extra crispy. Serve hot and enjoy!
Recipe Notes
Storage: Store any leftover Chicken Tortellini Casserole in an airtight container in the refrigerator for up to 3 days. Reheat individual servings in the microwave or cover with foil and bake in the oven until warmed through. If the sauce appears too thick, stir in a splash of milk or chicken broth before reheating to restore its creamy texture.
Nutrition
Serving: 1 serving | Calories: 739kcal | Carbohydrates: 50g | Protein: 48g | Fat: 39g | Saturated Fat: 19g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 0.4g | Cholesterol: 177mg | Sodium: 1398mg | Potassium: 247mg | Fiber: 4g | Sugar: 6g | Vitamin A: 986IU | Vitamin C: 27mg | Calcium: 543mg | Iron: 3mg
Nutrition information is automatically calculated, so should only be used as an approximation.
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