Some nights call for food that feels like a soft blanket—warm, filling, and just a little indulgent. This chicken broccoli rice cream of mushroom casserole fits that bill perfectly. It’s the kind of dish that fills the kitchen with the rich aroma of sautéed garlic and onions mingling with mushroom soup, bubbling away in the oven.

I remember the first time I made this casserole. The oven timer was buzzing just as the sun was dipping behind the trees, casting a golden glow through the windows. I was juggling a few things—half-listening to a podcast, trying to decide if I should start setting the table or just dive right in. The scent of melted cheddar cheese and thyme wafted through the air, making me pause and take a breath. It wasn’t perfect; I might have spilled a little sour cream on the counter, but the anticipation made up for it. That moment of waiting felt like a shared secret between me and the kitchen.

Why you’ll love it:

The creamy mushroom sauce ties everything together without overpowering the fresh broccoli or tender chicken.
It’s simple — and that’s kind of the point. No fuss, just comfort in a dish.
This casserole packs enough flavor to please the whole family, but leftovers reheat beautifully, making busy weeknights easier.
It’s a one-dish wonder that doesn’t demand fancy equipment or complicated steps.

Even if you’re not used to casseroles, this one is forgiving. It’s not fancy, but it’s reliably satisfying. And honestly, sometimes that’s exactly what dinner needs to be.

Chicken Broccoli Rice Cream of Mushroom Casserole

Print Recipe

A comforting and creamy casserole featuring tender chicken, fresh broccoli, and fluffy rice all baked together in a savory cream of mushroom sauce.

Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Yield: 6

Ingredients

Scale

2 cups cooked white rice
3 cups fresh broccoli florets
2 cups cooked chicken breast, shredded or diced
1 can (10.5 ounces) condensed cream of mushroom soup
1 cup sour cream
1 cup shredded sharp cheddar cheese
1/2 cup milk
1/2 cup chopped onion
2 cloves garlic, minced
2 tablespoons unsalted butter
1/2 teaspoon salt
1/4 teaspoon black pepper
1/4 teaspoon dried thyme
1/4 teaspoon paprika

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Instructions

Preheat the oven to 350°F (175°C).
Steam the broccoli florets until just tender, about 4-5 minutes, then drain and set aside.
In a large skillet, melt the butter over medium heat. Add the chopped onion and minced garlic, and cook until the onion is translucent, about 3-4 minutes.
In a large mixing bowl, combine the cooked rice, cooked chicken, steamed broccoli, sautéed onion and garlic, cream of mushroom soup, sour cream, milk, salt, black pepper, dried thyme, and paprika. Stir until all ingredients are well incorporated.
Fold in 3/4 cup of the shredded cheddar cheese into the mixture.
Transfer the mixture into a greased 9×13 inch baking dish and spread evenly.
Sprinkle the remaining 1/4 cup of shredded cheddar cheese evenly over the top of the casserole.
Bake uncovered in the preheated oven for 35-40 minutes, or until the casserole is bubbly and the cheese on top is melted and lightly golden.
Remove from the oven and let it rest for 5 minutes before serving.

Kitchen Notes: No need to stress about special pans here—a simple baking dish works wonders. If you’re serving this alongside something, a crisp green salad or some crusty bread adds a nice contrast. For a little twist, I’ve tried swapping sharp cheddar for a milder cheese or tossing in extra herbs like rosemary, but I’m still figuring out which variation I like best. Sometimes I sneak in frozen peas or swap broccoli for cauliflower when that’s what’s on hand, and it still turns out pretty great.

FAQ

Can I make this ahead of time? Absolutely, it can be assembled and refrigerated before baking, just add a few extra minutes to the bake time.

What if I want it spicier? A sprinkle of smoked paprika or a dash of hot sauce mixed in can add a nice kick without overpowering the creaminess.

Is it freezer-friendly? Yes! You can freeze leftovers for up to two months; just thaw overnight in the fridge before reheating.

If you’re looking for a dish that feels like home even on hectic nights, this casserole might just become your new go-to. Give it a try and save it for those moments when you want dinner to be a little softer, a little warmer, and totally satisfying.