Name: Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe
Prep time: 15 min
Cook time: PT-497868H4M25S
Total time: PT-497868H4M25S
Cuisine: Italian
Ingredients: 1 pound cooked and cubed chicken breasts (or use a rotisserie); 16 ounce linguine noodles; 2 Tablespoons olive oil; 4 cloves garlic (pressed); 1/2 cup sun dried tomatoes (chopped); 2 Tablespoons cornstarch; 1 cup chicken broth; 2 cups heavy whipping cream; 1 cup milk; 1 1/2 teaspoons kosher salt; 1/2 teaspoon black pepper; 5 ounce package fresh spinach; 1/2 cup parmesan cheese (grated); 2 cups shredded mozzarella cheese (divided)

Jump to Recipe·4 from 7 reviews

If you are craving a comforting, creamy, and flavor-packed meal that feels like a warm hug, then you absolutely must try this Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe. This dish brings together tender chicken, the vibrant taste of sun-dried tomatoes, and fresh spinach all enveloped in a rich, cheesy sauce that perfectly coats every bite of linguine noodles. It’s an effortless way to deliver big, hearty flavors while keeping the cooking process straightforward, making it a favorite for busy weeknights or charming dinner gatherings with friends and family.

Ingredients You'll Need

The image shows an arrangement of clear glass bowls and measuring cups on a white marbled surface, each containing different cooking ingredients. In the center is a bowl filled with small pieces of cooked chicken, surrounded by smaller bowls with shredded mozzarella cheese, chopped sun-dried tomatoes, minced garlic, cornstarch, salt and pepper, parmesan cheese, and fresh spinach leaves. Two measuring cups contain heavy cream and milk, while a smaller cup holds olive oil. A bundle of dry linguini pasta is spread diagonally at the bottom left. Each ingredient is clearly labeled with bold black text on white rectangles placed above or near the bowls. The setup is clean and organized, reflecting the preparation for a creamy chicken pasta dish. photo taken with an iphone --ar 4:5 --v 7

Every ingredient in this Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe plays a vital role. Simple yet thoughtfully chosen, these components come together to create a creamy texture, fresh flavors, and a colorful presentation that looks as good as it tastes.

1 pound cooked and cubed chicken breasts (or use a rotisserie): Cooked chicken adds a juicy, protein-packed base that's perfect for this casserole.

16 ounce linguine noodles: The long, flat pasta beautifully holds the creamy sauce for a satisfying mouthfeel.
2 Tablespoons olive oil: Provides the rich foundation for sautéing garlic and sun-dried tomatoes, offering classic Mediterranean flavor.
4 cloves garlic (pressed): Garlic brings that unmistakable aromatic warmth and depth to the dish.

½ cup sun-dried tomatoes (chopped): These add a burst of tangy sweetness and a chewy texture contrast.
2 Tablespoons cornstarch: Essential for thickening the sauce to a luscious consistency.
1 cup chicken broth: Adds savory notes and balances the richness of the cream.

2 cups heavy whipping cream: Gives the casserole its wonderfully creamy and indulgent sauce.
1 cup milk: Helps lighten the sauce just enough, so it’s rich but never overpowering.
1 ½ teaspoons kosher salt: Enhances and layers the flavors perfectly without being too salty.

½ teaspoon black pepper: Brings subtle heat and complexity to each bite.
5 ounce package fresh spinach: Fresh spinach lends a pop of vibrant green color plus a mild earthiness.
½ cup parmesan cheese (grated): The nutty, salty parmesan enriches the sauce and adds depth.

2 cups shredded mozzarella cheese (divided): Mozzarella melts into a gooey, golden topping that everyone loves.

How to Make Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe

Step 1: Cook the Pasta

Start by cooking the linguine noodles according to the package instructions. Once cooked al dente, drain the pasta and set it aside. This pasta will be the perfect canvas, soaking up the creamy sauce with just the right bite.

Step 2: Sauté Garlic and Sun-Dried Tomatoes

Next, heat the olive oil in a large skillet over medium-high heat. Add the pressed garlic and chopped sun-dried tomatoes to the skillet and cook for about 2 minutes until the garlic is fragrant and the tomatoes begin to soften. This quick sauté builds a wonderful foundation of flavor that will infuse the entire casserole.

Step 3: Make the Creamy Sauce

Sprinkle the cornstarch over the garlic and tomato mixture and stir thoroughly so it absorbs all the oils and flavors. Slowly whisk in the chicken broth, heavy cream, and milk. Add the kosher salt and black pepper, then continue cooking the sauce for about 10 minutes, stirring occasionally, until it thickens to rich perfection. Stir in the fresh spinach and parmesan cheese just before removing the skillet from heat — the spinach will wilt nicely and the cheese will melt into the creamy base.

Step 4: Assemble the Casserole

Pour the creamy sauce over the cooked noodles, tossing gently to coat each piece of linguine evenly. Add the cubed chicken and mix well. Transfer everything into a large casserole dish (about 13x9 inches), and sprinkle the mozzarella cheese evenly on top.

Step 5: Bake to Perfection

If you're ready to enjoy your casserole right away, cover the dish with foil and bake in a 350 degree oven for 25 minutes. Then remove the foil and bake another 5 minutes until the mozzarella is bubbly and golden brown. If you prefer to prepare it ahead, cover with foil and refrigerate until dinner. When baking from refrigerated, increase the covered baking time to 45 minutes and then uncover for the final 5–10 minutes to achieve that beautiful browned cheese topping.

How to Serve Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe

A large white pan filled with creamy pasta that has three main layers: a base of creamy pale yellow sauce, thick yellow noodles mixed with vibrant green spinach leaves scattered throughout, and topped with chunks of cooked white meat pieces evenly spread. A wooden spoon with some sauce on it rests inside the pan. The pan is placed on a white marbled surface with part of a white bowl containing shredded cheese visible in the corner; photo taken with an iphone --ar 4:5 --v 7

Garnishes

A sprinkle of freshly chopped basil or parsley brightens this casserole visually and adds a fresh herbal finish that complements the creamy and savory flavors. A light drizzle of good quality olive oil over each plate can also give an extra silkiness to the experience.

Side Dishes

This casserole is truly a meal in itself, but pairing it with a crisp green salad or roasted seasonal vegetables adds a refreshing crunch and balance. Garlic bread or focaccia makes a perfect accompaniment to soak up any leftover sauce, creating a truly satisfying feast.

Creative Ways to Present

For a fun twist, serve the casserole in individual ramekins to make it feel special and personalized. You can also top each serving with a few sun-dried tomato slices and a small handful of fresh baby spinach leaves for an elegant, restaurant-style touch that invites curiosity before the first delicious bite.

Make Ahead and Storage

Storing Leftovers

After your family has enjoyed the first round of this Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe, store any leftovers tightly covered in the refrigerator. It will stay fresh and flavorful for up to 3 days, making it perfect for next-day lunches or a quick dinner.

Freezing

If you want to make this casserole well in advance, it freezes beautifully. Just assemble the casserole but do not bake it. Cover it tightly with foil and plastic wrap, then freeze for up to 2 months. When ready to eat, thaw overnight in the refrigerator before baking according to the instructions above.

Reheating

To reheat leftovers, place individual portions or the entire casserole in an oven-safe dish, cover, and warm at 350 degrees until heated through—about 20 minutes for smaller portions or 30–40 minutes for the whole dish. For a quicker method, you can microwave smaller servings but reheating in the oven helps maintain the creamy texture and keeps the cheese melty.

FAQs

Can I use a different type of pasta for this casserole?

Absolutely! While linguine is recommended for its sauce-holding shape, penne, rigatoni, or farfalle would also work wonderfully and add a nice texture variation.

What can I substitute for heavy cream to make this lighter?

If you want a lighter version, you can use half-and-half or whole milk, but keep in mind the sauce won't be as rich and creamy. To help thicken, you might want to slightly increase the cornstarch.

Is it necessary to cook the chicken beforehand?

Yes, cooking the chicken in advance ensures it stays tender and juicy in the casserole. A rotisserie chicken is a fantastic shortcut that adds extra flavor without extra fuss.

Can I add other vegetables to this casserole?

Definitely! Sliced mushrooms, zucchini, or bell peppers would complement the flavors beautifully. Just sauté them along with the garlic and sun-dried tomatoes for best results.

How can I make this recipe gluten-free?

Simply substitute the linguine noodles with your favorite gluten-free pasta. Most gluten-free pastas hold up well in creamy casseroles like this one.

Final Thoughts

This Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe is one of those comforting meals that feels like a special occasion every time you make it. Its rich creaminess, perfectly seasoned chicken, and the vibrant freshness from spinach and sun-dried tomatoes combine to create a dish that’s truly a crowd-pleaser. Don’t hesitate to bring this recipe into your kitchen repertoire; it’s easy to make, sure to impress, and even better the next day. Give it a try and see how quickly it becomes a family favorite!

Italian Chicken Casserole with Sun-Dried Tomatoes and Spinach Recipe

Ingredients You'll Need