Chicken Broccoli Casserole

I still remember the first time I made chicken broccoli casserole, though I’ll admit it wasn’t the smoothest of experiences. It was during my very first year of marriage, and I was determined to prove I could whip up hearty, comforting meals without relying on takeout. I had seen a neighbor pull a bubbling casserole from her oven one evening, the kind that made the whole house smell like home, and I wanted to bring that feeling into our little apartment.

My first attempt was clumsy—I overcooked the broccoli, the chicken was a little dry, and I forgot to season the sauce properly. But even with all those mistakes, there was something undeniably satisfying about scooping generous spoonfuls into our bowls and sharing that warm, cozy meal together at the table. Over the years, I’ve tinkered with the recipe, learning how to coax the best flavor out of each ingredient and finding tricks to save time when life feels too busy for fuss.

Today, this casserole is a family favorite—one of those reliable recipes that shows up when we need something comforting, filling, and full of goodness.

Chicken Broccoli Casserole
Chicken Broccoli Casserole

Why You’ll Love This Recipe

  • Simple ingredients you likely already have on hand
  • Creamy, cheesy, and full of flavor
  • A complete meal with protein, vegetables, and grains
  • Budget-friendly and family-approved
  • Perfect for leftovers and make-ahead cooking

Ingredients You’ll Need

  • Cooked chicken – I usually use leftover roasted chicken, but poached chicken breasts or even a store-bought rotisserie chicken will work beautifully. The key is tender, moist chicken, cut into bite-sized chunks.
  • Broccoli florets – Fresh is my first choice, but frozen works just as well. Just thaw and pat dry so the casserole doesn’t get watery. I’ve learned the hard way that adding them straight from the freezer changes the texture of the sauce.
  • Cooked rice – White, brown, or even wild rice if you like a nutty flavor. I often make extra rice earlier in the week knowing this casserole will use it up.
  • Cream of chicken soup – You can use canned for convenience, but I sometimes make my own simple white sauce with broth, milk, and flour when I have a few extra minutes. It gives a fresher taste.
  • Sour cream – This adds richness and tang. Greek yogurt works if you want a lighter option, though it’s slightly less creamy.
  • Shredded cheddar cheese – Sharp cheddar gives the best punch of flavor. I’ve also mixed in mozzarella or Monterey Jack when that’s what I had.
  • Garlic powder and onion powder – Small touches that keep the flavors balanced without overpowering the casserole.
  • Salt and pepper – Simple seasoning, but don’t skip tasting as you go.
  • Breadcrumbs or crushed crackers – For that golden, crispy topping that makes every bite more satisfying.

How to Make It (Step-by-Step Instructions)

Start by preheating your oven to 350°F. A moderate temperature ensures everything warms through gently without drying out. Lightly butter or spray a large casserole dish—I like to use a 9×13 because it gives the perfect ratio of filling to crispy topping.

If you’re cooking chicken from scratch, season it well with salt and pepper, then bake or poach until just cooked through. Let it rest before cutting into cubes. One of the mistakes I made early on was rushing to chop chicken while it was still too hot, and it dried out in the casserole. A short rest really helps lock in the juices.

For the broccoli, give it a quick steam until just tender-crisp. You want it bright green and still with a little bite. Overcooked broccoli will lose its color and turn mushy once baked, which I learned after my very first attempt at this dish.

In a large mixing bowl, stir together the cream of chicken soup, sour cream, garlic powder, onion powder, and a good handful of shredded cheese. This sauce is the heart of the casserole—creamy, tangy, and full of flavor. Taste it before adding the rest of the ingredients to make sure the seasoning feels right to you.

Next, fold in the cooked chicken, broccoli, and rice. Stir until everything is coated evenly. Transfer the mixture to your prepared casserole dish, spreading it out so there’s an even layer from corner to corner. Sprinkle the remaining cheese over the top, followed by breadcrumbs or crackers for crunch.

Bake uncovered for 30–35 minutes, until the casserole is bubbling around the edges and the topping is golden brown. I always let it rest for at least 5–10 minutes before serving. This pause allows the sauce to thicken slightly, so each serving scoops out neatly without falling apart.

Chicken Broccoli Casserole
Chicken Broccoli Casserole

Expert Tips for the Best Results

Through trial and error, I’ve learned that balance is everything with this casserole. Don’t overload it with too much rice or it can become dry, and don’t skimp on the seasoning since creamy sauces can sometimes dull flavors. Let your chicken rest before adding it, and don’t forget that short steam for the broccoli to preserve its color and bite. Most importantly, taste the sauce before baking—you can always adjust salt, pepper, or even stir in a pinch of paprika for warmth.

Variations & Substitutions

I can’t count how many times I’ve swapped ingredients in this casserole based on what I had in the pantry. One night I realized I had no rice, so I used small pasta shells instead, and my kids actually begged for me to make it that way again. Another time I tried cauliflower florets in place of broccoli, and it worked beautifully. I’ve even stirred in a handful of cooked bacon or a can of mushrooms when I wanted extra depth. The recipe is forgiving—it invites you to improvise, and often those substitutions become new favorites.

Serving Suggestions

This casserole is hearty enough to stand on its own, but I like to serve it with something fresh to balance the richness. A crisp green salad with a light vinaigrette is my usual go-to, or sometimes just a platter of sliced tomatoes with salt and olive oil. On colder evenings, I’ve paired it with warm dinner rolls to soak up the creamy sauce. It’s the kind of dish that works as a casual weeknight dinner but can also show up at a potluck and be one of the first empty dishes on the table.

Storage & Reheating Instructions

Leftovers keep well in the fridge for up to three days, and I find the flavors deepen a little overnight. When reheating, I cover the dish with foil and warm it in the oven at 325°F until heated through. The topping won’t be as crisp the next day, but a quick sprinkle of fresh breadcrumbs before reheating helps. If you’re in a hurry, the microwave works too—just stir halfway through so the heat distributes evenly.

Recipe FAQs (Answered by Clara)

Can I make this ahead of time?
You sure can. I often prepare it in the morning, cover it tightly, and pop it in the fridge. It actually tastes better after resting.

Can I freeze chicken broccoli casserole?
Yes, it freezes quite well. I assemble it, skip the breadcrumb topping, and freeze tightly covered. When I’m ready to bake, I add the topping fresh and extend the baking time by about 15 minutes.

What cheese works best?
Sharp cheddar is my favorite because it stands out against the creamy sauce. But if you want a milder version, Monterey Jack or mozzarella blends beautifully too.

Do I need to cook the rice first?
Yes, fully cooked rice is best here. I tried using uncooked rice once, hoping it would cook in the sauce, and ended up with uneven grains and a dry casserole. It’s worth the extra step.

Chicken Broccoli Casserole
Chicken Broccoli Casserole

Conclusion

This chicken broccoli casserole has grown from one of my earliest kitchen experiments into a beloved staple in my home, and I hope it finds a place in yours too. It’s simple, comforting, and endlessly adaptable—exactly the kind of meal that feels like a hug at the end of a long day. If you give it a try, I’d love to hear how it turned out for you, whether you followed the recipe exactly or added your own twist. Share your version in the comments, or better yet, make it for someone you love and see how quickly the dish disappears from the table.

Nutrition Information (per serving, based on 6 servings)

  • Calories: 420
  • Protein: 26g
  • Carbohydrates: 28g
  • Fat: 22g
  • Fiber: 3g
  • Sodium: 780mg
Chicken Broccoli Casserole

Chicken Broccoli Casserole

Chicken Broccoli Casserole is a creamy, cheesy, and comforting baked dish made with tender chicken, fresh broccoli, and a rich sauce, all topped with melted cheese or breadcrumbs. It’s the perfect weeknight dinner that’s hearty, flavorful, and family-friendly.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Casserole, Main Course
Cuisine American
Servings 6
Calories 380 kcal

Ingredients
  

  • 2 cups cooked chicken shredded (rotisserie chicken works great)
  • 4 cups broccoli florets fresh or frozen, lightly steamed
  • 1 can 10.5 oz cream of chicken soup (or homemade substitute)
  • ½ cup sour cream or Greek yogurt
  • 1 cup shredded cheddar cheese plus more for topping
  • ½ tsp garlic powder
  • ½ tsp onion powder
  • ½ tsp salt to taste
  • ¼ tsp black pepper
  • 1 cup crushed Ritz crackers or breadcrumbs optional topping
  • 2 tbsp melted butter if using crumb topping

Instructions
 

  • Preheat oven: Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
  • Mix filling: In a large bowl, combine cream of chicken soup, sour cream, cheddar cheese, garlic powder, onion powder, salt, and pepper. Stir in chicken and broccoli.
  • Assemble: Spread mixture evenly into the baking dish. Sprinkle extra cheese on top.
  • Optional topping: Mix crushed crackers with melted butter and sprinkle over casserole.
  • Bake: Bake uncovered for 25–30 minutes, until hot and bubbly.
  • Serve: Let rest for a few minutes before serving.

Notes

  • You can substitute cream of mushroom soup for cream of chicken.
  • Add cooked rice or pasta to make it a heartier one-pan meal.
  • For a lighter version, use Greek yogurt instead of sour cream and reduced-fat cheese.
  • Leftovers keep well in the fridge for up to 4 days and can be frozen for 2 months.
Keyword Chicken Broccoli Casserole