If you’ve been on the hunt for a cozy, crowd-pleasing dinner that feels like a warm hug in a bowl, then this Chicken Penne Casserole Recipe is exactly what you need. It brings together tender penne pasta, vibrant broccoli, and shredded chicken in a creamy, cheesy sauce that’s both comforting and packed with flavor. The blend of Italian seasoning, savory garlic, and gooey mozzarella melts together to create a dish that’s as satisfying as it is simple. Perfect for family dinners or meal prepping, this casserole hits all the right notes for a hearty, satisfying meal.

Ingredients You'll Need

A white rectangular dish holds a layered pasta meal on a white marbled surface. The bottom layer is yellow penne pasta, topped unevenly with bright green broccoli florets. On top of the broccoli lies a layer of shredded white chicken. Scattered across the chicken and vegetables are small mixed vegetable pieces including diced orange carrots, yellow corn kernels, and green peas. The colors are vibrant and fresh, with a mix of soft and firm textures visible. Photo taken with an iphone --ar 4:5 --v 7

These ingredients are straightforward yet essential, each playing a unique role in crafting the perfect balance of creamy texture, fresh bursts of veggies, and savory goodness. Combining pantry staples with fresh veggies and shredded chicken keeps this recipe approachable but incredibly satisfying.

8 ounces uncooked penne: Choose penne for its sturdy shape that holds sauce beautifully.

4 cups broccoli florets: Adds a vibrant green color and fresh, crisp texture.
1 (10.5 ounce) can cream of chicken soup: The creamy base that binds the casserole together.
1 cup milk (I use 2%): Lightens the sauce while keeping it rich and smooth.

½ cup sour cream: Adds tangy creaminess and depth of flavor.
½ cup freshly grated parmesan cheese: Brings a sharp, salty bite that elevates the dish.
1 packet Italian dressing mix: A quick way to infuse the casserole with herbaceous, zesty notes.

½ teaspoon onion powder: Provides subtle warmth and complexity without overpowering.
4 cloves garlic (minced): Infuses the sauce with an irresistible aromatic punch.
2 cups shredded cooked/rotisserie chicken: The hearty protein that makes this dish a meal.

1 cup frozen mixed vegetables: For added color, texture, and nutritional goodness that complements the broccoli.
2 cups shredded mozzarella: Melts over the top for that irresistible gooey, golden finish.
Salt & pepper (to taste): Essential seasonings to bring all the flavors together.

How to Make Chicken Penne Casserole Recipe

Step 1: Prepare the Oven and Pasta

Begin by preheating your oven to 375 degrees Fahrenheit, and place the oven rack in the top third position. This placement ensures a perfectly browned cheese topping later. While the oven warms up, bring a large pot of salted water to a boil for cooking the penne. It’s important to cook the pasta just shy of al dente, about two minutes less than the package instructions, so it won’t get mushy after baking.

Step 2: Cook Pasta and Broccoli Together

About two minutes before the penne finishes cooking, add the broccoli florets directly to the boiling water. This steam-cooks the florets while the pasta finishes, preserving their bright color and crunch. After cooking, drain everything thoroughly and transfer to a 9x13 casserole dish, laying down a solid base for the creamy goodness to come.

Step 3: Whip Up the Creamy Sauce

In a medium mixing bowl, combine the cream of chicken soup, milk, sour cream, freshly grated parmesan, Italian dressing mix, onion powder, and minced garlic. Stir until the ingredients are fully blended into a smooth, luscious sauce. This mixture is the secret to the rich, comforting flavor that defines the Chicken Penne Casserole Recipe.

Step 4: Combine and Toss Everything

Add the shredded chicken and frozen mixed vegetables directly into the casserole dish with your pasta and broccoli. Pour the creamy sauce over the mixture and gently toss everything together until all the ingredients are evenly coated in the sauce. This ensures every bite bursts with flavor and tenderness.

Step 5: Top and Bake

Use a spatula to smooth the casserole mixture into an even layer. Then generously sprinkle the shredded mozzarella cheese over the surface for that irresistible cheesy crust. Bake the casserole uncovered for 20 to 25 minutes until it’s hot, bubbly, and perfectly melted. If you want to take it a step further, broil the casserole for a few minutes on high to get a beautifully browned cheese top—just watch closely to prevent burning.

Step 6: Season and Serve

Once out of the oven, give the casserole a taste and season with salt and pepper as needed. This final seasoning tweak allows you to tailor the dish to your preferences, completing the comforting harmony of flavors.

How to Serve Chicken Penne Casserole Recipe

A white baking dish filled with a creamy pasta bake, showing three main layers: a bottom layer of cooked penne pasta mixed with bright green broccoli florets and small bits of orange carrot, topped by thick white cheese sauce that covers the pasta and vegetables evenly. The top layer is a golden-brown melted cheese crust with bubbly spots and some darker toasted areas near the edges. A wooden spoon is scooping from the left side, lifting the creamy pasta and vegetables to reveal a mix of soft textures underneath. The dish is set on a white marbled surface, and the baking dish has a visible blue handle with text. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To add a fresh, bright touch, sprinkle chopped fresh parsley or basil over the top. A light dusting of extra grated parmesan can intensify the cheesiness even more. For a more indulgent finish, a drizzle of good-quality olive oil just before serving adds luscious richness and shine.

Side Dishes

This Chicken Penne Casserole Recipe pairs wonderfully with light and crisp sides. A simple mixed green salad with a lemon vinaigrette cuts through the richness, providing refreshing contrast. Garlic bread or crusty baguette slices are perfect for soaking up the creamy sauce. Roasted or steamed green beans or asparagus also complement the casserole with a clean vegetable flavor.

Creative Ways to Present

Serve the casserole in individual ramekins for an elegant, portion-controlled presentation or straight from the casserole dish family-style for casual, cozy dinners. For a fun twist, sprinkle the top with crispy fried onions or breadcrumbs before baking to add delicate crunch. Turning this classic meal into muffins using a muffin tin also makes for cute, handheld servings perfect for potlucks or packed lunches.

Make Ahead and Storage

Storing Leftovers

Leftover Chicken Penne Casserole Recipe stores wonderfully in an airtight container in the refrigerator for up to 3 to 4 days. Keeping it chilled promptly helps maintain its creamy texture and freshness, making it an ideal candidate for next-day meals or a quick reheat.

Freezing

You can freeze this casserole either pre-baked or after baking. For best results, assemble and freeze it unbaked, covered tightly with foil and plastic wrap to prevent freezer burn. When ready, bake straight from frozen, adding extra baking time. This make-ahead option is a lifesaver for busy weeks and ensures your favorite Chicken Penne Casserole Recipe is always on hand.

Reheating

Reheat leftovers in the oven at 350 degrees Fahrenheit, covered with foil to keep moisture in, for about 15-20 minutes until heated through. Alternatively, microwave individual portions for 2 to 3 minutes, stirring halfway to evenly warm the dish. A quick broil at the end can refresh that golden cheesy top with a slight crisp.

FAQs

Can I use fresh vegetables instead of frozen in the Chicken Penne Casserole Recipe?

Absolutely! Fresh vegetables like peas, carrots, or diced bell peppers work beautifully and add fresh flavor and texture. Just be mindful to adjust cooking times slightly to ensure they’re tender but still vibrant.

What type of chicken works best for this casserole?

Rotisserie chicken is an excellent shortcut that brings wonderful flavor and tenderness, but leftover cooked chicken breast or thighs can work perfectly as well. Shred the chicken finely for even distribution throughout the casserole.

Can I substitute the cream of chicken soup with something homemade?

Yes, you can create a homemade sauce using a simple roux with butter, flour, chicken broth, and milk along with seasonings to mimic the creaminess and flavor. This is a great option if you prefer fresh ingredients or need a gluten-free alternative.

Is this recipe freezer-friendly before or after baking?

This Chicken Penne Casserole Recipe freezes well both ways, but freezing before baking tends to preserve texture and freshness better. Just thaw overnight in the fridge before baking, or bake directly from frozen, adding time as needed.

How can I make this casserole spicier if I want some heat?

For a kick, add crushed red pepper flakes or diced jalapeños to the sauce mixture. Alternatively, stirring in a small amount of hot sauce or pepper jack cheese can introduce subtle heat while complementing the creamy base.

Final Thoughts

If a warm, cheesy, and utterly comforting casserole sounds like your kind of meal, this Chicken Penne Casserole Recipe is sure to become a new favorite. Its simplicity, flexibility, and incredible flavor make it a reliable go-to for busy weeknights or casual gatherings. Trust me, once you try this, it’ll be a dish you’ll want to make again and again.

Chicken Penne Casserole Recipe

Ingredients You'll Need