Chicken Broccoli Mac and Cheese Bake – Cozy, Creamy, and Family-Friendly
This is the kind of dinner that makes the whole table happy. Tender chicken, crisp-tender broccoli, and elbow macaroni get tucked into a creamy, cheesy sauce, then baked until bubbling and golden. It’s comfort food with a little balance, thanks to the veggies and lean protein.
The best part? It’s simple to pull together on a weeknight and holds up well for leftovers. If you’re looking for a no-fuss crowd-pleaser, this one earns a permanent spot in the rotation.
Chicken Broccoli Mac and Cheese Bake - Cozy, Creamy, and Family-Friendly
Ingredients
Method
- Preheat the oven and prep the dish: Heat your oven to 375°F (190°C). Grease a 9x13-inch baking dish.
- Cook the pasta: Boil the macaroni in well-salted water until just shy of al dente, about 1 minute less than the package suggests. Drain and set aside.
- Blanch the broccoli: In the last 2 minutes of the pasta’s cook time, add the broccoli to the pot.Drain both together. This keeps the broccoli bright and crisp-tender.
- Make the roux: In a large pot, melt the butter over medium heat. Stir in the flour and cook 1–2 minutes, whisking, until it smells nutty but not browned.
- Build the sauce: Slowly whisk in warm milk and chicken broth.Keep whisking to avoid lumps. Simmer 4–5 minutes until thick enough to coat the back of a spoon.
- Season the sauce: Stir in garlic (or sauté fresh garlic in a splash of olive oil before adding), onion powder, mustard, paprika, 1 teaspoon salt, and 1/2 teaspoon black pepper. Taste and adjust.
- Add the cheeses: Off the heat, stir in cheddar, Monterey Jack, and half of the Parmesan until smooth.The sauce should be glossy and pourable.
- Combine everything: Fold the drained pasta, broccoli, and chicken into the sauce. If it seems too thick, splash in a bit more milk or broth. You want creamy, not soupy.
- Assemble: Pour into the prepared baking dish.Sprinkle with the remaining Parmesan. If using, toss panko with melted butter and scatter over the top.
- Bake: Bake 20–25 minutes, until bubbling around the edges and the top is lightly golden. For extra color, broil 1–2 minutes at the end, watching closely.
- Rest and serve: Let it rest 5–10 minutes so the sauce settles.Scoop and serve warm.
Why This Recipe Works
- One pan, full meal: You get pasta, protein, and veggies baked together, which saves both time and cleanup.
- Balanced texture: Par-cooking the broccoli keeps it bright and slightly crisp, so it doesn’t turn mushy in the oven.
- Velvety cheese sauce: A classic roux-based sauce clings to every noodle, preventing a dry casserole.
- Adaptable: Use rotisserie chicken, leftover grilled chicken, or even canned chicken to make it fast and flexible.
- Great for make-ahead: Assemble in the morning, bake at night.
It also reheats nicely for lunches.
What You’ll Need
- Chicken: 3 cups cooked, shredded or diced (rotisserie works great)
- Macaroni: 12 ounces (about 3 cups dry) elbow macaroni or similar short pasta
- Broccoli: 4 cups small florets (fresh or frozen, thawed and well-drained)
- Butter: 4 tablespoons (half a stick)
- All-purpose flour: 4 tablespoons
- Milk: 3 cups (whole or 2%; warm it slightly for smoother sauce)
- Chicken broth: 1 cup (low-sodium)
- Cheddar cheese: 2 cups shredded (sharp or extra-sharp for flavor)
- Monterey Jack or mozzarella: 1 cup shredded (for melt and stretch)
- Parmesan: 1/2 cup grated (for depth and a savory finish)
- Garlic: 2 cloves, minced (or 1 teaspoon garlic powder)
- Onion powder: 1 teaspoon
- Mustard: 1 teaspoon Dijon or 1/2 teaspoon dry mustard (optional but recommended)
- Paprika: 1/2 teaspoon (smoked or sweet)
- Salt and pepper: To taste
- Topping (optional but great): 1 cup panko or breadcrumbs + 2 tablespoons melted butter
- Olive oil: 1 tablespoon (if sautéing fresh garlic)
How to Make It
- Preheat the oven and prep the dish: Heat your oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Cook the pasta: Boil the macaroni in well-salted water until just shy of al dente, about 1 minute less than the package suggests. Drain and set aside.
- Blanch the broccoli: In the last 2 minutes of the pasta’s cook time, add the broccoli to the pot.
Drain both together. This keeps the broccoli bright and crisp-tender.
- Make the roux: In a large pot, melt the butter over medium heat. Stir in the flour and cook 1–2 minutes, whisking, until it smells nutty but not browned.
- Build the sauce: Slowly whisk in warm milk and chicken broth.
Keep whisking to avoid lumps. Simmer 4–5 minutes until thick enough to coat the back of a spoon.
- Season the sauce: Stir in garlic (or sauté fresh garlic in a splash of olive oil before adding), onion powder, mustard, paprika, 1 teaspoon salt, and 1/2 teaspoon black pepper. Taste and adjust.
- Add the cheeses: Off the heat, stir in cheddar, Monterey Jack, and half of the Parmesan until smooth.
The sauce should be glossy and pourable.
- Combine everything: Fold the drained pasta, broccoli, and chicken into the sauce. If it seems too thick, splash in a bit more milk or broth. You want creamy, not soupy.
- Assemble: Pour into the prepared baking dish.
Sprinkle with the remaining Parmesan. If using, toss panko with melted butter and scatter over the top.
- Bake: Bake 20–25 minutes, until bubbling around the edges and the top is lightly golden. For extra color, broil 1–2 minutes at the end, watching closely.
- Rest and serve: Let it rest 5–10 minutes so the sauce settles.
Scoop and serve warm.
How to Store
- Refrigerate: Cool completely, then cover and refrigerate for up to 4 days.
- Reheat: Microwave individual portions with a splash of milk to loosen the sauce. Or reheat covered in a 325°F (165°C) oven until warmed through.
- Freeze: Freeze in an airtight, freezer-safe container for up to 2 months. Thaw overnight in the fridge and reheat gently with a little extra milk or broth.
- Meal prep tip: Assemble but don’t bake.
Cover tightly and refrigerate up to 24 hours. Add 5–10 minutes to the bake time.
Health Benefits
- Protein from chicken: Supports muscle repair and keeps you fuller longer, which can help with appetite control.
- Broccoli brings fiber and micronutrients: You get vitamin C, vitamin K, folate, and antioxidants in every serving.
- Calcium and vitamin D (if using fortified milk): Cheese and milk contribute to bone health and satiety.
- Balanced carbs: Pasta provides energy; pairing it with protein and fat slows digestion for steadier energy.
Common Mistakes to Avoid
- Overcooking the pasta: It will keep cooking in the oven. Slightly underboil for best texture.
- Skipping the roux: Without a proper base, the sauce can split or turn grainy.
Take the extra two minutes.
- Adding cheese over high heat: Cheese can seize and become oily. Remove the pot from heat before stirring it in.
- Watery broccoli: If using frozen broccoli, thaw and pat dry. Excess water will thin your sauce.
- Underseasoning: Pasta and dairy dull flavors.
Taste the sauce and adjust salt, pepper, and mustard before baking.
Alternatives
- Different proteins: Swap chicken for turkey, ham, or cooked crumbled sausage. For seafood, try cooked shrimp added just before baking.
- Vegetarian: Skip chicken and add extra veggies like spinach, peas, or roasted mushrooms. Stir in white beans for protein.
- Cheese swaps: Try Gruyère for nuttiness, Gouda for creaminess, or pepper jack for a mild kick.
Keep a blend for melt and flavor.
- Gluten-free: Use gluten-free pasta and a 1:1 gluten-free flour blend for the roux. Check that your broth is gluten-free.
- Lighter version: Use 1 tablespoon butter + 1 tablespoon olive oil for the roux, 2% milk, and reduce cheese by 1/2 cup. It will still be creamy.
- Add crunch: Mix chopped toasted almonds or crispy fried onions into the topping for texture.
- Spice it up: Add red pepper flakes, a diced jalapeño, or a pinch of cayenne to the sauce.
FAQ
Can I use uncooked chicken?
Yes, but cook it before adding to the bake.
Dice boneless chicken breast or thighs, season with salt and pepper, and sauté in a little oil until just cooked through. Then proceed with the recipe.
What pasta shape works best?
Short shapes with nooks and curves cling to sauce well. Elbows, cavatappi, shells, or small rotini are all great choices.
Avoid delicate shapes that can break apart after baking.
How do I keep the sauce from being grainy?
Cook the roux for a minute to remove raw flour taste, add warm liquids slowly while whisking, and remove from heat before adding cheese. Use freshly shredded cheese rather than pre-shredded if possible.
Can I make this ahead?
Absolutely. Assemble the casserole, cover tightly, and refrigerate up to 24 hours.
Bake straight from the fridge, adding 5–10 extra minutes, until hot and bubbly.
Is it okay to use evaporated milk?
Yes. Evaporated milk makes a smooth, stable sauce. Replace some or all of the milk with evaporated milk, and thin with a splash of broth if needed.
What if I don’t have Dijon mustard?
Use 1/2 teaspoon dry mustard or skip it.
Mustard sharpens the cheese flavor, but the dish will still be delicious without it.
How can I make it extra cheesy?
Stir an extra 1/2 cup cheddar into the sauce and sprinkle more on top before baking. Just don’t overdo it or the sauce can turn oily.
Can I add more vegetables?
Definitely. Peas, spinach, roasted red peppers, or sautéed mushrooms fit right in.
Keep total add-ins to about 6–7 cups so the sauce-to-pasta ratio stays creamy.
Why is my bake dry?
Usually it’s from overbaking or too little liquid. Next time, undercook the pasta slightly, keep the sauce on the looser side, and cover for the first 10 minutes of baking if needed.
How do I reheat without drying it out?
Add a tablespoon or two of milk, cover, and reheat gently in the microwave or a low oven. Stir halfway to redistribute the sauce.
Wrapping Up
A good Chicken Broccoli Mac and Cheese Bake hits all the right notes: creamy, cozy, and loaded with flavor.
With a few smart steps—slightly undercooked pasta, a well-seasoned roux, and a blend of melty cheeses—you’ll get a casserole that holds together without turning dry. Keep the tips and swaps handy so you can adapt it to what you have on hand. It’s the kind of easy, satisfying bake that makes weeknights feel special without extra fuss.
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