Chicken Broccoli Rice Cheese Casserole

The smell of this casserole baking takes me back to Tuesday nights when my mom would pull that bubbling dish from the oven, steam rising in the kitchen as we all gathered around the counter. I remember watching her stir everything together, that creamy sauce coating every piece of chicken and broccoli floret like a warm hug.

Last winter my neighbor came over with two toddlers and a newborn, looking completely exhausted. I made this casserole and we ate it standing up in the kitchen while the kids played. She texted me at midnight that night asking for the recipe because her family had actually asked for seconds.

Ingredients

• 2 cups cooked chicken breast: Rotisserie chicken works beautifully here and saves so much time
• 2 cups shredded cheddar cheese: Use sharp cheddar for that extra punch of flavor that cuts through the creamy sauce
• 1 cup sour cream: This adds tanginess that balances the richness of the cheese
• 1 cup milk: Whole milk creates the creamiest texture but any variety works
• 3 cups fresh broccoli florets: Fresh broccoli holds up better during baking than frozen
• 1 small onion: Finely chopped so it blends seamlessly into the creamy sauce
• 2 cloves garlic: Minced fresh garlic makes such a difference compared to powder
• 2 cups cooked rice: Dayold rice actually works best here as it absorbs less moisture
• 1 can condensed cream of chicken soup: The secret ingredient that ties everything together
• 1 teaspoon salt: Adjust based on whether your chicken was already seasoned
• ½ teaspoon black pepper: Freshly ground adds a little more complexity
• ½ teaspoon paprika: Optional but adds a lovely subtle warmth and color
• ½ cup panko breadcrumbs: Creates that irresistible crispy golden topping
• 2 tablespoons unsalted butter melted: Mix this with the panko for that perfect crunch

Instructions

Get your oven ready:

Preheat to 375°F and grease a 9x13inch baking dish with butter or cooking spray

Sauté the aromatics:

Cook the onion in a splash of oil for 34 minutes until soft then add garlic for just 1 minute longer

Mix everything together:

Combine chicken broccoli rice the sautéed vegetables 1½ cups cheese sour cream milk soup and seasonings in a large bowl

Assemble the casserole:

Spread the mixture evenly in your prepared baking dish and top with remaining cheese

Add the crispy topping:

Mix panko with melted butter and sprinkle over the cheese layer

Bake until golden:

Bake uncovered for 3540 minutes until hot bubbly and the topping is beautifully browned

Let it rest:

Wait 510 minutes before serving so the casserole sets and makes serving easier

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My sisterinlaw made this for our family Christmas potluck one year and it was the first dish to disappear completely. Now its become tradition that someone brings it to every family gathering.

Make Ahead Magic

You can assemble this entire casserole the night before and keep it covered in the refrigerator. Just add about 1015 minutes to the baking time since it will be cold going into the oven.

Freezer Friendly

This casserole freezes beautifully either before or after baking. Wrap it tightly with foil and it will keep for up to 3 months. Thaw overnight in the refrigerator before baking.

Serving Suggestions

A crisp green salad with vinaigrette cuts through the richness perfectly. Steamed green beans or roasted asparagus also make excellent sides that balance the hearty nature of this dish.

• Crusty bread is perfect for soaking up any extra creamy sauce
• A glass of chilled white wine complements the cheesy flavors
• Leftovers reheat beautifully in the microwave

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There is something so deeply satisfying about a casserole that brings everyone to the table happy.

Recipe FAQ

→ Can I make this ahead of time?

Absolutely. Assemble the entire casserole up to 24 hours in advance, cover tightly, and refrigerate. When ready to bake, you may need to add 5–10 minutes to the cooking time if baking cold from the refrigerator.

→ What can I use instead of condensed soup?

Create a homemade white sauce by melting 3 tablespoons butter, whisking in 3 tablespoons flour, then gradually adding 1 cup milk and ½ cup chicken broth. Simmer until thickened, then stir in the cheese until melted.

→ Can I freeze this casserole?

Yes, freeze before baking. Assemble in a freezer-safe dish, wrap tightly with plastic and foil, and freeze for up to 3 months. Thaw overnight in the refrigerator before baking as directed.

→ How do I know when it's done?

The casserole is ready when it's hot and bubbly around the edges, the cheese on top is completely melted, and the panko breadcrumb topping turns a rich golden brown color—usually after 35–40 minutes at 375°F.

→ What vegetables work well in this?

Beyond broccoli, try cauliflower, diced bell peppers, sliced mushrooms, spinach, or peas. Just ensure any vegetables are pre-cooked or blanched since the baking time may not be sufficient for raw vegetables.