Creamy Chicken and Rice Casserole

A chicken and rice casserole lives or dies on the rice. Get the liquid wrong and you either serve crunchy grains or a wet paste with cheese on top. The ratio here, 1 1/2 cups of rice to 3 1/2 cups of liquid in a covered 9×13 dish, is the one that finally worked for me after three failed attempts that all went in the bin.

The sauce is a quick homemade one rather than a can of condensed soup. It takes about six minutes on the stove and gives you a casserole that tastes of chicken and thyme instead of tasting of the can.

Why This Recipe Works

• No condensed soup, and far less sodium than the standard version.
• Uncooked rice goes in raw, so you are not cooking rice separately first.
• Assembles the night before and goes straight from the fridge to the oven.
• Feeds eight, and the leftovers reheat better than most casseroles.

Ingredients You’ll Need

• 1 1/2 lb boneless, skinless chicken thighs, cut into 1-inch pieces — breast works but dries out more.
• 1 1/2 cups long grain white rice — uncooked and rinsed. Not instant rice, and not brown rice without adjustments.
• 3 1/2 cups chicken broth — hot, which helps the rice start cooking straight away.
• 4 tablespoons butter
• 1 small onion, finely diced
• 3 tablespoons all-purpose flour
• 1 cup whole milk — warmed slightly so the sauce does not seize.
• 1 1/2 teaspoons kosher salt
• 1 teaspoon dried thyme
• 1/2 teaspoon black pepper
• 1/2 teaspoon garlic powder
• 2 cups shredded sharp cheddar, divided — grate it yourself. Pre-shredded cheese is coated in starch and melts greasily.

Substitutions and Variations

• Rotisserie chicken: use 3 cups shredded and cut the covered baking time to 35 minutes.
• Brown rice: increase the broth to 4 cups and the covered time to 65 minutes.
• Add vegetables: 2 cups of frozen peas, carrots or broccoli stirred in before baking needs no other change.
• Different cheese: Monterey Jack melts more smoothly, Gruyere tastes better, cheddar is the classic.
• Gluten free: swap the flour for 2 tablespoons cornstarch whisked into the cold milk.

How to Make Creamy Chicken and Rice Casserole

1. Heat the oven. Set the oven to 375F and butter a 9×13 inch baking dish.
2. Make the sauce. Melt the butter in a saucepan over medium heat, cook the onion for 4 minutes, then stir in the flour and cook for 1 minute. Whisk in the milk slowly, then the salt, thyme, pepper and garlic powder, and simmer until it thickens, about 3 minutes.
3. Assemble. Spread the rinsed rice evenly in the baking dish. Scatter the raw chicken over it, pour the hot broth in, then the sauce, then stir gently so everything is combined and the rice sits in an even layer. Fold in 1 cup of the cheese.
4. Cover and bake. Cover the dish tightly with foil and bake for 45 minutes. A tight seal is essential, because this is what steams the rice.
5. Add cheese and finish. Take off the foil, scatter the remaining cup of cheese over the top, and bake uncovered for 10 to 12 minutes until the cheese browns in patches.
6. Rest. Leave the casserole for 10 minutes before serving. It thickens noticeably in that time.

Expert Tips

• Seal the foil properly. A loose cover lets steam escape and the rice on top stays hard.
• Use hot broth, not cold. Cold liquid adds roughly 15 minutes to the bake and gives the rice at the edges too long.
• Cut the chicken evenly. Large pieces will still be pink when small ones are dry.
• Grate your own cheese. The anti-caking starch on bagged cheese is what makes casserole tops turn oily.
• Check at 40 minutes. Ovens vary, and the difference between perfect rice and mushy rice here is about six minutes.

Storage and Reheating

• Fridge: 4 days, covered.
• Freezer: 3 months. Freeze before baking for the best result, then bake from frozen at 375F for about 75 minutes, covered.
• Make ahead: assemble up to the covered baking stage, refrigerate overnight, and add 10 minutes to the covered time.
• Reheating: individual portions with a tablespoon of broth, covered, at 350F for 15 minutes.

Frequently Asked Questions

Can I use cooked rice instead?

Not in this version. The recipe is balanced around raw rice absorbing the broth as it bakes. With cooked rice you would need to cut the liquid to about 1 cup and reduce the covered bake to 20 minutes, and the texture will be softer.

Why is my casserole rice still crunchy?

The foil was not sealed tightly, the broth went in cold, or the dish was too large so the liquid spread too thin. Add 1/4 cup of hot broth, re-cover tightly, and give it another 10 minutes.

Can I make chicken and rice casserole ahead of time?

Yes. Assemble it completely, cover, and refrigerate for up to 24 hours. Add about 10 minutes to the covered baking time since it goes in cold.

Is this the same as the soup-based version?

No. Condensed soup versions are quicker but much higher in sodium and taste noticeably more processed. The homemade sauce here takes about six minutes.

What can I serve with it?

Something green and sharp. A vinegary salad, roasted green beans, or steamed broccoli all balance out how rich the dish is.

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