Chicken and Rice Casserole with Broccoli

Butter in the pan first. Four tablespoons. Let it foam—that’s when you know it’s ready. Onion powder, garlic, salt, pepper, chicken bouillon all go in at once. Dry spices hit the heat and bloom out. Sixty-seven minutes total if you move steady. Maybe seventy if you’re not rushing.

Why You’ll Love This Chicken And Broccoli Casserole

One bowl. Literally one. Mix everything in the casserole and walk away.

Takes 25 minutes to prep, 45 in the oven. Comfort food that doesn’t require hovering over the stove the whole time. You can actually sit down.

Cheese melts into every layer—sharp cheddar works best, but monterey jack mixed in if you want it creamier, less sharp.

The sauce. Doesn’t come from a can. Butter and cornstarch and cream. Coats everything. Tastes homemade because it is.

Cold for lunch the next day. Maybe better that way.

What You Need For Chicken Broccoli Cheese Casserole

Four tablespoons of butter. Real butter. Not the spread.

Onion powder and garlic powder. A teaspoon each. Chicken bouillon—one teaspoon, or swap it for poultry seasoning if you’re watching sodium.

Salt and black pepper. Season before you taste it.

Water and half and half cream. One and a quarter cups of each. Whole milk plus two tablespoons of butter works if that’s what you have. Tastes slightly thinner but fine.

Cornstarch and cold water for the slurry. Four tablespoons each. This is what thickens the sauce. Skip it and you get soup.

Four cups broccoli florets, slightly steamed already. Don’t use frozen straight from the bag. Steam it first. Changes everything.

Four cups cooked noodles. Egg noodles are traditional. Penne works too. Whatever.

Three cups diced cooked chicken. Rotisserie chicken from the store saves forty minutes of cooking. Use that.

Sharp cheddar. A cup and a half, shredded. Monterey jack mixed in if you want more melt and less bite. Both work.

How To Make Chicken And Broccoli Bake

Oven goes to 345. Not 350. 345. Grease the 9x13 pan well. Non-stick spray or butter rubbed in the corners. Matters more than you’d think.

Melt the butter over medium heat. Should foam gently, not brown fast. This takes maybe two minutes. When it’s foaming and quiet, add all the dry spices at once. Onion powder, garlic, salt, pepper, bouillon. Stir it around. Let it sit there and toast for ninety seconds. You’ll smell it change. That’s ready.

Pour in the water slowly. Whisk as you go. Then the half and half, same way. Gradual. Whisking the whole time. Mixture looks thin. That’s normal.

Make a slurry separately—cornstarch and cold water mixed until completely smooth. No lumps. Add it slow to the simmering sauce while whisking hard. Keep the heat on medium. Whisk constantly until it thickens. Should coat the back of a spoon. That takes maybe five minutes.

Toss in the broccoli. Stir gently. One or two minutes max. Just enough until it turns bright green and softens a tiny bit. Will finish cooking in the oven so don’t overdo this part.

How To Assemble And Bake Chicken Broccoli Rice Casserole

Lay the cooked noodles in the casserole dish first. Even layer. Scatter the chicken on top. Then pour the broccoli and sauce over everything. Stir it all together gently. You want it mixed but not beaten to death.

Cover tight with foil. Seal the edges. Trap steam. Twenty-eight to thirty-two minutes in the oven until the broccoli’s fork-tender and you hear quiet bubbling inside.

Pull it out. Uncover. Stir gently. This redistributes the sauce so the top doesn’t dry out.

Sprinkle the cheese over the surface. Now you have two options. Leave it uncovered and bake seven to nine more minutes for a golden crust. Or cover it loosely and let it sit five minutes to melt the cheese without browning. Both work. Depends on your mood.

Let it rest two minutes before serving. Lets everything set.

Chicken And Broccoli Casserole Tips

Don’t skip steaming the broccoli ahead. Frozen broccoli straight from the bag will be mushy. Slightly steamed means it stays bright and firm through the baking.

The cornstarch slurry—make it separate. Don’t try to mix cornstarch straight into the sauce. Gets lumpy every time. Cold water first, mix until smooth, then add to the hot sauce slowly while whisking.

Rotisserie chicken from the store. Actually a game changer. Three cups diced takes maybe five minutes total.

If your sauce is too thin after you add the slurry, you didn’t whisk it long enough. Whisk more. Will thicken.

If it’s too thick, add a splash of milk. Half and half cream is thicker than you expect. You can always loosen it. Can’t really thicken it more without starting over.

Salt goes in early—in the spice bloom. Taste it before it goes in the casserole though. Might need more. Depends on your chicken.

The noodles should be slightly undercooked when you add them. They’ll finish in the oven. Overcooked noodles get mushy.

Chicken and Rice Casserole with Broccoli

By Emma

Print Pin

Prep:

25 min

Cook:

45 min

Total:

70 min

Servings:

12 servings

Ingredients

• 4 tablespoons butter
• 1 1/2 teaspoons onion powder
• 1 teaspoon garlic powder
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 teaspoon chicken bouillon granules (or substitute with 1 teaspoon poultry seasoning for less sodium)
• 1 1/4 cups water
• 1 1/4 cups half and half cream (substitute whole milk plus 2 tablespoons butter for lighter version)
• 4 tablespoons cornstarch
• 4 tablespoons cold water
• 4 cups broccoli florets, slightly steamed
• 4 cups cooked noodles (egg noodles or penne work well)
• 3 cups diced cooked chicken breast (rotisserie chicken is a great shortcut)
• 1 1/2 cups shredded sharp cheddar cheese (monterey jack mixed with mozzarella if you want more melt and less bite)

Method

1. 1 Preheat oven to 345°F. Grease 9x13 casserole pan thoroughly with non-stick spray or rub with butter to avoid sticking.
2. 2 In a large heavy-bottom pot over medium heat, melt butter. It should foam and sizzle gently, not brown quickly.
3. 3 Add onion powder, garlic powder, salt, pepper, and chicken bouillon granules. Stir and let dry spices toast slightly for 90 seconds. Smell should bloom—not burn.
4. 4 Pour in measured water and half and half gradually. Whisk briskly to combine and prevent lumps. Mixture looks thin but will thicken soon.
5. 5 Make cornstarch slurry: dissolve cornstarch in cold water separately until fully smooth. Add slurry slowly to simmering sauce while whisking vigorously.
6. 6 Keep over medium heat, whisk continually until sauce thickens to creamy coat-the-back-of-a-spoon texture. Should have gentle bubbling but not rolling boil.
7. 7 Toss in broccoli florets. Stir gently just 1-2 minutes until broccoli turns vibrant green and softens a bit. Avoid overcooking here—will finish in oven.
8. 8 Layer cooked noodles evenly in casserole dish, scatter diced chicken across top uniform. Pour broccoli and sauce mixture over noodles and chicken. Stir lightly to coat all.
9. 9 Cover tightly with foil—seal edges well to trap steam. Bake in preheated oven about 28-32 minutes until broccoli is fork-tender and interior bubbles quietly.
10. 10 Remove from oven, uncover, stir gently to redistribute sauce and mix layers slightly to prevent dryness on top.
11. 11 Sprinkle shredded cheese evenly over surface. Cover loosely again or leave uncovered for browned cheese crust. Let rest 5 minutes to melt cheese or bake uncovered 7-9 minutes for golden finish.

Nutritional information

Calories

310

Protein

12g

Carbs

35g

Fat

14g

Print Recipe Save to Pinterest

Frequently Asked Questions About Chicken And Broccoli Casserole

Can I use frozen broccoli? Technically yes. But steam it first. Don’t add it straight from the bag or it falls apart. Slightly steamed means it stays intact through the baking.

What if I don’t have half and half? Whole milk plus two tablespoons of butter. Same amount. Tastes lighter but works. Heavy cream mixed with milk also works. Just different texture.

How long does this last? Three days in the fridge. Maybe four. Reheats fine covered at 325 for ten minutes. Microwave also fine but uneven heat sometimes.

Can I make this ahead and bake later? Build it the night before. Cover tight. Bake it the next day. Might need an extra five minutes since it starts cold. Not a huge deal.

Do I have to use sharp cheddar? Sharp’s best. Regular cheddar works but tastes blander. Monterey jack mixed in means it melts smoother, less sharp edge. Your choice.

What noodles work? Egg noodles are traditional. Penne’s good. Elbow macaroni works. Avoid super thin pasta. Too flimsy. Needs something that holds texture.

Can I use chicken thighs instead of breast? Yeah. They’re more flavorful actually. Just dice them to the same size as breast would be.

Do I need the bouillon or can I skip it? Bouillon adds a little umami. Poultry seasoning swaps in fine. Skip both and the sauce tastes more plain. Wouldn’t recommend it.