There’s something about a hot casserole that feels like an invitation to slow down. This cheesy chicken broccoli rice casserole Kolby Kash is exactly that kind of dish. It’s the sort of meal that settles in, filling the kitchen with the scent of melted cheese and gentle spices. I remember the first time I made it—I was juggling a few things, maybe distracted by a buzzing phone or the timer on the oven. Somehow, the broccoli steamed just right, and that mix of cheddar and mozzarella pulled everything together in a way that made me want to sit down and linger at the table, even though I was pretty wiped out from the day.

The texture is just right, too. The broccoli stays tender but with a bit of bite, contrasting the creamy rice and soft chicken. And that golden crust on top? It’s worth the wait, even if your mind wanders while it’s baking. Honestly, I wasn’t sure if it would hold up as leftovers, but it reheats surprisingly well—sometimes even better the next day.

Brings together simple ingredients in a way that feels indulgent but not fussy.
The blend of cheeses is melty and stringy but not overpowering—though it does make cleanup a tiny bit messier.
It’s flexible enough to tweak, but I find the original combo hits that comforting spot every time.
Not the fastest dish, but the prep is straightforward, making it a good weekend or slow evening project.

If you’re worried about it being too heavy, this casserole strikes a nice balance with fresh broccoli tucked in. And if you’re like me, sometimes a little extra cheese on top is just the right kind of ‘oops’ to make it feel more like a treat than a chore in the kitchen.

Cheesy Chicken Broccoli Rice Casserole

Print Recipe

A comforting and hearty casserole combining tender chicken, nutritious broccoli, fluffy rice, and a rich blend of cheeses baked to golden perfection.

Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes
Yield: 6

Ingredients

Scale

2 cups cooked white rice
2 cups cooked chicken breast, shredded
3 cups fresh broccoli florets
1 cup shredded sharp cheddar cheese
1 cup shredded mozzarella cheese
1 cup sour cream
1 can (10.5 oz) condensed cream of chicken soup
1/2 cup milk
1/4 cup grated Parmesan cheese
1 small onion, finely chopped
2 cloves garlic, minced
2 tablespoons unsalted butter
1/2 teaspoon salt
1/4 teaspoon black pepper
1/4 teaspoon paprika

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Instructions

Preheat the oven to 350°F (175°C). Grease a 9×13-inch casserole dish with butter or cooking spray.
Steam the broccoli florets until tender but still crisp, about 4-5 minutes. Drain and set aside.
In a large skillet, melt the butter over medium heat. Add the chopped onion and sauté until translucent, about 3-4 minutes.
Add the minced garlic to the skillet and cook for an additional 1 minute until fragrant. Remove from heat.
In a large mixing bowl, combine the cooked rice, shredded chicken, steamed broccoli, sautéed onion and garlic, sour cream, condensed cream of chicken soup, milk, salt, black pepper, and paprika. Stir well to combine.
Fold in 3/4 cup of the shredded cheddar cheese and 3/4 cup of the shredded mozzarella cheese into the mixture.
Transfer the mixture to the prepared casserole dish and spread evenly.
Sprinkle the remaining cheddar cheese, mozzarella cheese, and grated Parmesan cheese evenly over the top.
Bake uncovered in the preheated oven for 30-35 minutes, or until the casserole is bubbly and the cheese on top is melted and golden brown.
Remove from the oven and let it rest for 5 minutes before serving.

For the kitchen setup, you really just need a good oven-safe dish and a decent skillet for the sautéing. No fancy tools required, which is a relief when you’re already juggling a lot. This casserole pairs nicely with a crisp green salad or even some simple garlic bread for a bit of crunch. If you want to mix things up, I’ve tried swapping out the sharp cheddar for a smoky gouda, which gives the whole dish a subtle twist, though it changes the flavor profile quite a bit. Sometimes I sneak in a handful of toasted almonds on top before baking for a bit of unexpected texture, but that’s definitely optional and maybe a little weird. And if you’re short on time, using pre-cooked chicken makes the whole process much quicker, though the fresh-cooked version is worth the extra effort when you can swing it.

FAQ

Can I use frozen broccoli? Yes, but drain it well after cooking to avoid extra moisture in the casserole. Fresh broccoli gives the best texture.

Is this recipe freezer-friendly? Absolutely. It freezes well and reheats nicely after thawing overnight in the fridge.

Can I make it vegetarian? You could swap the chicken for a hearty vegetable or plant-based protein, but it won’t be quite the same cozy hit.

What if I don’t have sour cream? Greek yogurt or cream cheese can work in a pinch, though it might change the creaminess slightly.

When you’re ready to cozy up with a warm, cheesy dinner, this casserole is waiting for you. Give it a try, save it for later, or print it out—you’ll want to come back to this one.