Chicken Broccoli Rice Cheese Casserole

My college roommate used to make something like this on Sunday nights while we studied. The smell would drift through our tiny apartment and somehow made everything feel less overwhelming. I have been tweaking her version ever since, and this is what finally stuck.

Last winter my sister came over after a terrible week at work. I put this casserole in the oven and we sat at the counter picking at the cheese topping while it cooled. She said it was the first time she had relaxed in days.

Ingredients

• 2 cups cooked chicken breast, diced or shredded: Rotisserie chicken works perfectly here and saves so much time
• 2 cups shredded cheddar cheese (divided): Sharp cheddar gives the best flavor contrast to the creamy base
• 1 cup sour cream: Adds tanginess that cuts through the rich condensed soup
• 1 cup milk: Whole milk creates the creamiest texture but any variety works
• 3 cups fresh broccoli florets (or frozen, thawed and drained): Fresh holds its texture better but frozen is totally fine
• 1 small onion, finely chopped: Yellow onion becomes sweet and mild when sautéed
• 2 cloves garlic, minced: Fresh garlic makes a noticeable difference over powder
• 2 cups cooked white or brown rice: Day old rice works great and absorbs the sauce beautifully
• 1 can (10.5 oz) condensed cream of chicken soup: The backbone of the casserole, do not skip
• 1 teaspoon salt: Adjust depending on how seasoned your cooked chicken is
• ½ teaspoon black pepper: Freshly ground adds more depth
• ½ teaspoon paprika (optional): Smoked paprika adds a lovely subtle depth
• ½ cup panko breadcrumbs: Creates the most satisfying crispy topping
• 2 tablespoons unsalted butter, melted: Essential for getting those breadcrumbs golden

Instructions

Get your oven ready:

Preheat to 375°F and grease a 9x13-inch baking dish with butter or cooking spray

Sauté the aromatics:

Cook the onion in a splash of oil over medium heat for 3 to 4 minutes until soft, then add garlic for 1 more minute until fragrant

Make the filling:

In a large bowl combine chicken, broccoli, rice, sautéed onion and garlic, 1½ cups cheddar, sour cream, milk, condensed soup, salt, pepper, and paprika

Assemble the casserole:

Spread the mixture evenly into your prepared baking dish and top with the remaining ½ cup cheddar

Add the crispy topping:

Mix panko with melted butter in a small bowl and sprinkle evenly over the cheese layer

Bake until golden:

Bake uncovered for 35 to 40 minutes until hot and bubbly with a beautifully browned topping

Let it rest:

Wait 5 to 10 minutes before serving so the casserole sets and is easier to scoop

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This is the dish I make when someone has a baby or loses a job or just needs food that feels like a hug. My neighbor texted me at midnight once saying she was thinking about the leftovers she had for lunch.

Making It Ahead

You can assemble this entire casserole up to 24 hours before baking. Just cover tightly with foil and refrigerate, then add 5 to 10 minutes to the baking time since it will be cold.

Freezing Instructions

This freezes beautifully either before or after baking. Wrap well in plastic then foil and freeze for up to 3 months. Thaw overnight in the refrigerator before baking as directed.

Serving Suggestions

A crisp green salad with vinaigrette cuts through the richness perfectly. Steamed green beans or roasted asparagus also work wonderfully on the side.

• Crushed crackers or cornflakes make an easy topping substitute
• Leftovers reheat surprisingly well in the microwave
• This recipe doubles easily for a 9x13 pan to feed a crowd

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There is something about pulling this bubbling dish out of the oven that makes people gather in the kitchen. That is the real magic.

Recipe FAQs

→ Can I use rotisserie chicken instead of cooked chicken breast?

Yes, rotisserie chicken works perfectly and saves time. Simply shred the meat and use it in place of the diced cooked chicken breast called for in the ingredients.

→ Can I make this casserole ahead of time?

Absolutely. Assemble the entire casserole, cover tightly, and refrigerate up to 24 hours before baking. Add the breadcrumb topping just before putting it in the oven.

→ How do I make this gluten-free?

Use gluten-free condensed cream of chicken soup and substitute regular panko breadcrumbs with gluten-free breadcrumbs. All other ingredients are naturally gluten-free.

→ Can I freeze this casserole?

Yes, freeze before baking. Assemble the casserole, wrap tightly in plastic and foil, and freeze for up to 3 months. Thaw overnight in the refrigerator, then bake as directed, adding extra time if needed.

→ What vegetables can I substitute for broccoli?

Cauliflower, mixed vegetables, or green beans work well. Just keep the total amount around 3 cups to maintain the proper ratio of vegetables to sauce.

→ Can I use brown rice instead of white rice?

Certainly. Brown rice adds nutty flavor and extra fiber. Ensure the rice is fully cooked before combining with other ingredients, as it won't soften further during baking.