If you’re searching for a comforting dish that brings the cozy vibes of a casserole without the heaviness, this Healthier Broccoli Chicken Casserole Recipe is going to be your new best friend. Packed with wholesome ingredients like whole-wheat pasta, fresh broccoli, and lean chicken, it strikes the perfect balance between nourishing and downright delicious. The creamy mushroom sauce enriched with sharp cheddar adds just the right amount of indulgence, all while keeping things lighter than your traditional casserole. It’s a family-friendly meal that feels like a warm hug on a plate and will have everyone asking for seconds.
Ingredients You’ll Need
The magic of this Healthier Broccoli Chicken Casserole Recipe comes down to a handful of ingredients that are simple yet carefully chosen to deliver fabulous texture, flavor, and color. Each one plays an essential role in building layers of taste and goodness.
- 8 ounces whole-wheat rotini pasta: Adds hearty texture and boosts fiber content for a more filling dish.
- 1 large head of broccoli, cut into florets: Brings vibrant green color and a satisfying crunch while packing vitamins.
- 2 tablespoons butter or olive oil: Provides richness for sautéing and balances the flavors beautifully.
- 1 small white onion, thinly sliced: Adds a gentle sweetness that deepens as it cooks.
- 8 ounces baby bella (cremini) mushrooms, thinly sliced: Offers an earthy, meaty flavor that enhances the sauce.
- 4 cloves garlic, minced: Gives the dish a fragrant kick and warm undertones.
- 3 tablespoons flour: Helps thicken the sauce to perfection without cream.
- 1 cup chicken or vegetable stock: Adds savory depth and moisture.
- 1 1/2 cups milk: Keeps the sauce creamy and smooth while keeping it light.
- 1 teaspoon Dijon mustard: Introduces subtle tang and complexity.
- 1/2 teaspoon fine sea salt: Elevates all flavors without overwhelming.
- 1/4 teaspoon freshly-cracked black pepper: Adds mild heat and freshness.
- 2 cups shredded sharp cheddar cheese, divided: Provides melty, gooey cheesy goodness in layers.
- 2 cups diced or shredded cooked chicken: The lean protein that makes this casserole satisfying and hearty.
How to Make Healthier Broccoli Chicken Casserole Recipe
Step 1: Cook the Pasta and Broccoli
Start by bringing a large pot of salted water to a boil. Cook the whole-wheat rotini pasta until it’s just al dente — that perfect tender-but-still-firm bite that holds up well in casseroles. One minute before the pasta is done, toss in the broccoli florets so they can steam to a bright green, tender-crisp texture. Drain everything carefully and set aside, keeping the vibrant broccoli a delightful counterpoint to the rich sauce.
Step 2: Make the Mushroom Sauce
In a large skillet, melt butter or heat olive oil over medium heat, then add the thinly sliced onions, mushrooms, and minced garlic. Sauté until everything is softened and fragrant, letting the mushrooms release their earthy aroma and the onions turn translucent and tender. Sprinkle the flour over the veggies and stir well, cooking it for a minute to remove any raw taste. Gradually whisk in your chicken or vegetable stock, then milk, Dijon mustard, salt, and pepper. Simmer gently until the sauce thickens up nicely, then stir in 1 cup of shredded sharp cheddar cheese so it melts smoothly, creating a luscious, flavorful base.
Step 3: Assemble and Bake
Grab a baking dish and combine the cooked pasta, broccoli, prepared mushroom sauce, and diced chicken. Mix everything gently but thoroughly to ensure every bite is coated in that creamy goodness. Spread it out evenly, then pop it into the oven to bake uncovered so the top can get just a little golden. About halfway through baking, sprinkle the remaining cheddar cheese on top and bake until it’s melted and bubbly. A final crack of black pepper or choice herbs adds a fresh finishing touch right before serving.
How to Serve Healthier Broccoli Chicken Casserole Recipe
Garnishes
Simple garnishes like freshly cracked black pepper, chopped fresh parsley, or a light sprinkle of paprika add a lively pop of color and nuance to your presentation. Not only do they make the casserole look inviting, but they also offer a burst of freshness that contrasts beautifully with the creamy casserole base.
Side Dishes
Since this casserole is a full meal on its own, pairing it with crisp side salads featuring bright lemon vinaigrette or roasted root vegetables can balance the richness. A slice of crusty whole-grain bread or a bowl of fresh fruit also complements the flavors without overwhelming the palate.
Creative Ways to Present
Try serving the casserole in individual ramekins for a charming single-serving experience, perfect for dinner parties or meal prepping. Alternatively, layering it in a clear glass casserole dish lets the beautiful colors of broccoli, pasta, and cheese peek through, creating an enticing visual feast before the first bite.
Make Ahead and Storage
Storing Leftovers
Leftover Healthier Broccoli Chicken Casserole Recipe keeps well in an airtight container in the refrigerator for up to 3 days. The flavors meld even more after a day, making for an easy and satisfying meal the next time you want something comforting.
Freezing
This casserole freezes beautifully! For best results, cool completely, then transfer into a freezer-safe container or wrap tightly with plastic wrap and foil. Freeze for up to 3 months. Just thaw overnight in the fridge before reheating so textures stay intact and delicious.
Reheating
To reheat, cover the casserole with foil to prevent drying out and warm it in a preheated oven at 350°F (175°C) for about 20-30 minutes, or until heated through. If you’re short on time, a microwave works too — just cover loosely and heat in short intervals, stirring occasionally for even warming.
FAQs
Can I use a different type of chicken for this casserole?
Absolutely! You can use rotisserie chicken, leftover roasted chicken, or even cooked shredded turkey. Just make sure the meat is cooked before adding it to ensure the casserole bakes evenly and stays moist.
Is it okay to substitute the whole-wheat pasta with a gluten-free option?
Yes, you can substitute whole-wheat rotini with your favorite gluten-free pasta to accommodate dietary needs. Just watch the cooking times closely, as gluten-free pasta can cook faster or become mushy if overdone.
Can I make this casserole dairy-free?
Definitely! Swap butter for olive oil, use a dairy-free milk like almond or oat milk, and choose a plant-based cheese alternative that melts well. The sauce will still be creamy and flavorful without dairy.
What can I add to boost the flavor further?
Adding herbs like thyme, rosemary, or a pinch of smoked paprika can elevate the dish nicely. A splash of white wine in the sauce or a bit of grated Parmesan on top before baking also adds wonderful layers of flavor.
How do I know when the casserole is done baking?
Once it’s bubbly around the edges and the cheese on top is melted and just starting to turn golden, it’s ready. Typically, 20-25 minutes at 350°F works perfectly, but ovens vary, so keep an eye on the cheese as the timer approaches.
Final Thoughts
This Healthier Broccoli Chicken Casserole Recipe is a fantastic way to enjoy all the comfort of a classic casserole with a thoughtful, nourishing twist. It’s one of those dishes you’ll want to keep in your regular rotation because it’s that satisfying and easy to customize. Give it a try and watch it become a beloved staple in your home as it has in mine!
Print
Healthier Broccoli Chicken Casserole Recipe
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 6 servings
- Category: Casserole
- Method: Baking
- Cuisine: American
- Diet: Low Fat
Description
This Healthier Broccoli Chicken Casserole is a nourishing and flavorful dish combining whole-wheat pasta, tender broccoli florets, sautéed mushrooms, and shredded chicken, all baked in a creamy cheese sauce. Perfect for a wholesome family meal, it balances comforting flavors with nutrient-rich ingredients for a satisfying dinner.
Ingredients
Pasta and Vegetables
- 8 ounces whole-wheat rotini pasta
- 1 large head of broccoli, cut into florets (about 1 pound)
Sauce
- 2 tablespoons butter or olive oil
- 1 small white onion, thinly sliced
- 8 ounces baby bella (cremini) mushrooms, thinly sliced
- 4 cloves garlic, minced
- 3 tablespoons flour
- 1 cup chicken or vegetable stock
- 1 1/2 cups milk
- 1 teaspoon Dijon mustard
- 1/2 teaspoon fine sea salt
- 1/4 teaspoon freshly-cracked black pepper
Cheese and Chicken
- 2 cups shredded sharp cheddar cheese, divided
- 2 cups diced or shredded cooked chicken
Instructions
- Cook the Pasta and Broccoli: Bring a large pot of salted water to a boil. Add the whole-wheat rotini pasta and cook until al dente according to package instructions. One minute before the pasta is done, add the broccoli florets to the boiling water. Drain both pasta and broccoli together and set aside.
- Make the Mushroom Sauce: In a large skillet, heat butter or olive oil over medium heat. Add the thinly sliced onion, mushrooms, and minced garlic. Sauté until the vegetables are softened and fragrant, about 5-7 minutes. Sprinkle in the flour and stir to coat the vegetables evenly. Gradually whisk in the chicken or vegetable stock, followed by the milk and Dijon mustard. Season with sea salt and black pepper. Simmer the sauce, stirring often, until it thickens, about 5 minutes. Stir in 1 cup of shredded sharp cheddar cheese until melted and smooth.
- Assemble and Bake: Preheat the oven to 350°F (175°C). In a large mixing bowl, combine the cooked pasta, broccoli, mushroom cheese sauce, and shredded chicken. Transfer the mixture to a baking dish and spread evenly. Bake uncovered for 15 minutes. Remove from oven, sprinkle the remaining 1 cup of cheddar cheese evenly on top, and return to oven. Bake for an additional 10-15 minutes, or until the cheese is melted and bubbly. Garnish with freshly cracked black pepper and herbs if desired, and serve warm.
Notes
- Use whole-wheat pasta for added fiber and nutrients.
- Chicken can be pre-cooked rotisserie, baked, or boiled for convenience.
- For a vegetarian version, substitute cooked chickpeas or tofu for chicken and use vegetable stock.
- Ensure not to overcook pasta when boiling, as it will bake further in the oven.
- The sauce thickens as it cools; reheat gently if preparing ahead.
