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Healthy / DINNER / Broccoli Chicken Pasta Casserole

Broccoli Chicken Pasta Casserole

January 27, 2026 by Alex

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If you’re looking for a cozy meal that the whole family will love, then let me introduce you to my favorite Broccoli Chicken Pasta Casserole. This dish is the ultimate comfort food, combining creamy cheese, tender chicken, and vibrant broccoli all nestled in hearty pasta. It’s perfect for busy weeknights when you want something satisfying and delicious without spending hours in the kitchen.

What makes this casserole truly special is its flexibility. Whether you’re feeding a crowd or enjoying a quiet evening at home, it fits any occasion beautifully. Plus, it’s super easy to make ahead, so you can whip it up when you need it most!

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Why You’ll Love This Recipe

  • Quick to prepare: With just about 10 minutes of prep time, you can have this delightful dish ready to go!
  • Family-friendly: Kids and adults alike will enjoy digging into this cheesy goodness packed with veggies.
  • Make-ahead convenience: You can assemble it in advance and pop it in the oven when dinner time rolls around.
  • Deliciously versatile: Customize it with your favorite veggies or swap out the protein for endless variations.
  • Comforting flavors: The combination of cheese and chicken creates a warm hug in a dish that everyone will crave.
Broccoli

Ingredients You’ll Need

To create this wonderful Broccoli Chicken Pasta Casserole, you’ll need some simple and wholesome ingredients that are likely already in your kitchen. Each element adds flavor and nutrition to this comforting meal.

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For the Casserole

  • 8 ounces whole-wheat pasta
  • 1 large head of broccoli (about 1 pound of florets)
  • 2 tablespoons olive oil
  • 1 small white onion
  • 8 ounces cremini mushrooms
  • 4 cloves garlic (minced)
  • 2 tablespoons cornstarch
  • 1-1/2 cups milk of choice
  • 1 cup chicken or vegetable stock
  • 1 tablespoon Dijon mustard
  • 1 teaspoon kosher salt
  • 1/4 teaspoon freshly-cracked black pepper
  • 2 cups diced cooked chicken breast (diced or shredded)
  • 1 1/2 cups shredded cheddar cheese (divided)

Variations

This Broccoli Chicken Pasta Casserole is wonderfully flexible! Feel free to get creative with your ingredients based on what you have on hand or your family’s preferences.

  • Swap the protein: Use leftover turkey or rotisserie chicken instead of cooked chicken breast for an easy alternative.
  • Add more veggies: Incorporate spinach, bell peppers, or even zucchini for an extra nutritional boost.
  • Make it vegetarian: Replace the chicken with chickpeas or lentils for a hearty plant-based option.
  • Change the cheese: Try using mozzarella or pepper jack cheese instead of cheddar for a different flavor twist.

How to Make Broccoli Chicken Pasta Casserole

Step 1: Cook the Pasta

Start by heating your oven to 400°F. Cook the whole-wheat pasta according to package directions. Stir occasionally until it’s al dente—this usually takes about 10-12 minutes. Adding the broccoli florets during the last minute of cooking ensures they stay vibrant and tender without losing their crunch!

Step 2: Prepare Your Vegetables

While the pasta cooks, chop your ingredients! Cut the broccoli into bite-size pieces, quarter the mushrooms, and dice the onion. This step is important because it sets up all those delicious flavors to mix seamlessly later on.

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Step 3: Sauté Onions and Mushrooms

In a pan over medium-high heat, warm up some olive oil. Sauté the onion for about three minutes until it’s translucent, then add your mushrooms and minced garlic. Cooking until golden brown enhances their natural sweetness and creates a rich base for your sauce.

Step 4: Whisk Together Your Sauce

In a bowl, combine cornstarch with a bit of milk from your total amount. This will help thicken your sauce later! Once combined, pour in the chicken or vegetable stock along with the remaining milk into your pan with sautéed veggies. Add Dijon mustard, salt, and pepper; mix well until everything is combined and bubbly.

Step 5: Thicken Your Sauce

Pour in your prepared cornstarch mixture into the pan while stirring constantly until it thickens nicely. This step ensures that every bite is coated with creamy goodness!

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Step 6: Combine Everything

Remove from heat and stir in one cup of shredded cheddar cheese—this will melt beautifully into your sauce! In a spacious baking dish, combine cooked pasta, broccoli, diced chicken breast, and pour over that luscious mushroom sauce. Give everything a good stir to coat every ingredient evenly.

Step 7: Top It Off

Spread everything evenly in the baking dish using the back of a spoon. Sprinkle with the remaining half cup of cheese for that golden topping we all love!

Step 8: Bake Until Golden

Pop your casserole into that preheated oven for about 15 minutes until golden brown and bubbly on top. The aroma will be irresistible as you wait!

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And there you have it—a hearty Broccoli Chicken Pasta Casserole that’s sure to become a beloved staple in your home kitchen! Serve warm and enjoy every cheesy bite!

Pro Tips for Making Broccoli Chicken Pasta Casserole

Creating a delicious Broccoli Chicken Pasta Casserole is all about the little details—here are some tips to ensure your dish turns out perfect every time!

  • Cook pasta al dente: Cooking the pasta just until it’s firm helps it hold its shape and texture in the casserole, preventing it from becoming mushy during baking.

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  • Sauté veggies until golden: Browning the onions and mushrooms not only adds a rich flavor but also enhances the overall taste of your casserole. Don’t rush this step; it’s worth it!

  • Adjust seasoning: Always taste your sauce before combining with the pasta and chicken. Every ingredient can vary in flavor, so adjusting salt and pepper at this stage ensures a well-seasoned dish.

  • Make-ahead friendly: If you’re prepping ahead, assemble the casserole without baking, cover it well, and store it in the fridge for up to 24 hours. Just pop it in the oven when you’re ready to enjoy!

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  • Experiment with cheese: While cheddar is classic, feel free to mix in different cheeses like mozzarella or gouda for added creaminess and flavor complexity—your taste buds will thank you!

How to Serve Broccoli Chicken Pasta Casserole

Serving up your Broccoli Chicken Pasta Casserole can be just as fun as making it! Here are some ideas to present this delightful dish.

Garnishes

  • Chopped fresh parsley: A sprinkle of parsley adds a pop of color and freshness that brightens up the rich flavors of your casserole.
  • Crushed red pepper flakes: For those who enjoy a little heat, adding red pepper flakes can give your dish an exciting kick without overwhelming the original flavors.

Side Dishes

  • Simple green salad: A light salad with mixed greens, cherry tomatoes, and a vinaigrette dressing complements the richness of the casserole while adding freshness.
  • Garlic bread: Crunchy garlic bread makes for a perfect side to scoop up any extra sauce from your casserole dish—you won’t want to waste a drop!
  • Roasted vegetables: Seasoned roasted carrots or zucchini can add a wonderful contrast in texture and flavor, making your meal even more satisfying.
  • Steamed asparagus: Lightly steamed asparagus provides a vibrant green side that’s both healthy and elegant, elevating your dinner plate beautifully.

Now you’re all set to create an unforgettable meal with this comforting Broccoli Chicken Pasta Casserole! Enjoy every bite!

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Broccoli

Make Ahead and Storage

This Broccoli Chicken Pasta Casserole is perfect for meal prep! It can be made ahead of time and stored for later, making busy weeknights a breeze.

Storing Leftovers

  • Store any leftover casserole in an airtight container in the refrigerator.
  • It will keep well for up to 3-4 days.
  • For best results, reheat only the portions you plan to eat.

Freezing

  • Allow the casserole to cool completely before freezing.
  • Place it in a freezer-safe container or wrap it tightly with plastic wrap and aluminum foil.
  • It can be frozen for up to 3 months. Label it with the date for easy tracking!

Reheating

  • To reheat from frozen, let it thaw overnight in the refrigerator.
  • Preheat your oven to 350°F (175°C) and bake until heated through, about 25-30 minutes.
  • If reheating individual portions, a microwave works well too—just cover with a damp paper towel to retain moisture.

FAQs

Here are some common questions about this delicious dish:

Can I use other vegetables in the Broccoli Chicken Pasta Casserole?

Absolutely! Feel free to substitute or add any of your favorite vegetables like bell peppers, spinach, or carrots for extra nutrition and flavor.

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How can I make this Broccoli Chicken Pasta Casserole gluten-free?

To make it gluten-free, simply swap out the whole-wheat pasta for your favorite gluten-free pasta. The rest of the ingredients should work perfectly without modification!

What can I serve with my Broccoli Chicken Pasta Casserole?

This casserole is hearty on its own, but you might enjoy pairing it with a simple side salad or some crusty bread to soak up all that creamy goodness!

Final Thoughts

I hope you enjoy making this Broccoli Chicken Pasta Casserole as much as I do! It’s a comforting dish that brings warmth and joy to any weeknight dinner. Remember, cooking is all about sharing love through food. So gather around the table and share this delightful dish with friends and family. Happy cooking!

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Broccoli Chicken Pasta Casserole

Broccoli Chicken Pasta Casserole
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Indulge in the warmth and coziness of Broccoli Chicken Pasta Casserole, a family-friendly dish that’s perfect for busy weeknights. This creamy, cheesy casserole combines tender chicken, vibrant broccoli, and whole-wheat pasta for a satisfying meal that everyone will love. With its quick preparation and make-ahead convenience, this recipe is designed to fit seamlessly into your schedule. Whether you’re feeding a crowd or enjoying a quiet dinner at home, this versatile casserole can be customized with your favorite ingredients and served alongside fresh salads or garlic bread for an extra touch. Get ready to delight in every comforting bite!

  • Author: Alex
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: Serves approximately 6 people 1x
  • Category: Dinner
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 8 ounces whole-wheat pasta
  • 1 large head of broccoli (about 1 pound)
  • 2 tablespoons olive oil
  • 1 small white onion
  • 8 ounces cremini mushrooms
  • 4 cloves garlic (minced)
  • 2 tablespoons cornstarch
  • 1½ cups milk of choice
  • 1 cup chicken or vegetable stock
  • 1 tablespoon Dijon mustard
  • 2 cups diced cooked chicken breast
  • 1½ cups shredded cheddar cheese (divided)

Instructions

  1. Preheat oven to 400°F (200°C). Cook whole-wheat pasta according to package directions, adding broccoli florets during the last minute of cooking.
  2. While pasta cooks, chop onion and mushrooms. In a pan over medium-high heat, sauté onions in olive oil until translucent. Then add mushrooms and garlic; cook until golden brown.
  3. In a bowl, whisk cornstarch with a bit of milk. Pour in remaining milk and stock into the pan with sautéed veggies. Add Dijon mustard; mix well until bubbly.
  4. Stir in the cornstarch mixture and cook until thickened. Remove from heat and stir in one cup of cheddar cheese.
  5. In a baking dish, combine cooked pasta, broccoli, chicken, and sauce. Stir to coat evenly, then top with remaining cheese.
  6. Bake for about 15 minutes until golden brown and bubbly.

Nutrition

  • Serving Size: 1 cup (240g)
  • Calories: 360
  • Sugar: 4g
  • Sodium: 650mg
  • Fat: 16g
  • Saturated Fat: 7g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 35g
  • Fiber: 5g
  • Protein: 28g
  • Cholesterol: 70mg

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