Some recipes quietly become part of your weekly routine, and this healthy chicken casserole is one of them.

I first started making it after chatting with another mom while waiting for my haircut one rainy Saturday morning. We somehow ended up talking about weeknight dinners instead of hairstyles, and she mentioned how she always struggled to find meals that were both comforting and nutritious. That conversation stayed with me all weekend.

When I got home, I started experimenting with ingredients I already had in the refrigerator—lean chicken breast, broccoli, Greek yogurt, brown rice, and just enough cheddar cheese to add that cozy casserole flavor without making the dish feel heavy.

Since then, it’s become one of those dinners I know I can rely on. It’s creamy without using canned soup, packed with protein and vegetables, and even better as leftovers the next day.

If you’re looking for a healthy chicken casserole that’s easy enough for busy weeknights but delicious enough to serve to guests, this recipe is one you’ll come back to again and again.

Quick Answer

Prep Time: 20 minutes

Cook Time: 35 minutes

Total Time: 55 minutes

Servings: 6

Calories: Approximately 390 per serving

Difficulty: Easy

Why You’ll Love This Recipe

There are plenty of casserole recipes online, but this version keeps everything people love while making a few healthier swaps.

You’ll love this recipe because it:

• Uses lean chicken breast for plenty of protein.
• Replaces heavy cream with Greek yogurt.
• Includes fresh broccoli for extra nutrients.
• Uses brown rice instead of refined grains.
• Is perfect for meal prep.
• Freezes beautifully.
• Comes together using simple everyday ingredients.

Best of all, it tastes like comfort food without leaving you feeling overly full afterward.

Ingredients

• 2 pounds cooked chicken breast, diced
• 3 cups cooked brown rice
• 3 cups broccoli florets
• 1 cup plain Greek yogurt
• ½ cup low-sodium chicken broth
• 1 cup shredded reduced-fat cheddar cheese
• ½ cup grated Parmesan cheese
• 1 small onion, finely diced
• 2 cloves garlic, minced
• 1 teaspoon onion powder
• 1 teaspoon garlic powder
• 1 teaspoon paprika
• ½ teaspoon dried thyme
• Salt and black pepper to taste
• 1 tablespoon olive oil

Optional topping:

• ¼ cup whole-wheat breadcrumbs
• 2 tablespoons Parmesan cheese
• Fresh parsley

Step-by-Step Instructions

Step 1

Preheat your oven to 375°F (190°C).

Lightly grease a 9×13-inch casserole dish.

Step 2

Heat olive oil in a skillet.

Cook the onion until soft, then stir in the garlic and cook for another minute.

Step 3

In a large mixing bowl, combine:

• chicken
• brown rice
• broccoli
• onion mixture
• Greek yogurt
• chicken broth
• cheddar cheese
• Parmesan
• seasonings

Mix until everything is evenly coated.

Step 4

Transfer the mixture into your prepared casserole dish.

If using breadcrumbs, sprinkle them evenly over the top with a little extra Parmesan.

Step 5

Bake uncovered for 30–35 minutes until bubbly and lightly golden.

Let rest for about 10 minutes before serving.

Emily’s Tips

After making this recipe more times than I can count, I’ve learned a few simple tricks that make a big difference.

• Rotisserie chicken is a fantastic shortcut on busy evenings.
• Don’t overcook the broccoli before baking—it will continue cooking in the oven.
• Freshly grated cheese melts much better than pre-shredded cheese.
• Let the casserole rest for a few minutes before serving so it slices neatly.

Healthy Variations

Want to change things up?

Try these ideas:

Add More Vegetables

Spinach

Cauliflower

Peas

Mushrooms

Bell peppers

Increase the Protein

Use extra chicken.

Add white beans.

Mix in cooked turkey.

Lower the Carbohydrates

Swap the brown rice for cauliflower rice.

Storage & Meal Prep

One reason I make this recipe so often is because it stores incredibly well.

Refrigerator

Store leftovers in an airtight container for up to 4 days.

Freezer

Freeze individual portions for up to 3 months.

Reheating

Microwave for 2–3 minutes or warm gently in the oven until heated through.

Frequently Asked Questions

Final Thoughts

Healthy eating doesn’t have to mean giving up comfort food.

This casserole has become one of those dependable family dinners that I know everyone will enjoy, whether I’m serving it on a busy Tuesday evening or bringing leftovers for lunch the next day. It’s warm, filling, packed with wholesome ingredients, and easy to customize with whatever vegetables you already have in your kitchen.

If you make this recipe, I’d love for you to experiment with your own favorite vegetables or seasonings. Sometimes the best family recipes begin with a simple conversation—and a willingness to try something new.

– Emily Carter

P.S. Have you tried this recipe? I’d love to know how it turned out! Leave a comment below and tell me if you made any fun changes or served it with your own favorite side dish.