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Chicken Potato Broccoli Casserole

Sarah

By Sarah

Feb 25, 2026

15 min prep
30 min cook
4 servings
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Chicken Potato Broccoli Casserole

Welcome to a comforting culinary experience that will warm your heart and fill your belly! This Chicken Potato Broccoli Casserole is not just a dish; it’s a hug on a plate. Packed with tender roasted potatoes, juicy chicken, crisp broccoli, and a creamy cheddar-filled sauce, it’s the ultimate family-friendly bake perfect for those busy evenings when you want something delicious yet effortless.

Picture this: golden, crispy potatoes mingling with succulent chicken, all blanketed under a layer of gooey cheese. It’s an easy meal that’s sure to become a staple in your kitchen and a favorite at the table!

Why You'll Love This Recipe

  • Hearty & Satisfying: This casserole is a complete meal in one dish, perfect for fueling your family.
  • Easy to Make: With simple steps and minimal prep, you can whip this up even on your busiest days.
  • Kid-Friendly: The creamy, cheesy goodness will have kids asking for seconds (and thirds!).
  • Versatile Ingredients: Customize with any leftover veggies or proteins you have on hand for a unique twist every time.

About the Ingredients

Cooked Chicken Breast

This lean protein adds juiciness and heartiness to the casserole, making it a filling meal.

Medium Potatoes

Peeled and diced, these potatoes become crispy on the outside and soft on the inside, providing a lovely texture contrast.

Broccoli Florets

Bright and vibrant, broccoli not only adds color but also a nutritious crunch that balances the richness of the dish.

Shredded Cheddar Cheese

This melty, gooey cheese is the star of the show, creating a creamy sauce that envelops all the ingredients perfectly.

Sour Cream

Sour cream adds a tangy flavor and creamy texture, making the casserole even more indulgent.

Olive Oil

Drizzling olive oil over the potatoes ensures they roast to a perfect golden brown, enhancing their flavor and texture.

Tips & Tricks

Use Leftover Chicken

This recipe is a great way to use up leftover rotisserie or grilled chicken, making it even quicker to prepare.

Don’t Skip the Roasting

Roasting the potatoes first enhances their flavor and texture, giving them that irresistible crispy edge.

Mix and Match Vegetables

If you have other vegetables on hand, feel free to mix them in! Carrots or bell peppers would work wonderfully.

Let it Rest

Allowing the casserole to rest for a few minutes after baking lets the flavors meld and makes serving easier.

Pro Tips

  • Use Room Temperature Ingredients: Make sure your sour cream and mayonnaise are at room temperature for easier mixing.
  • Season Generously: Don’t shy away from salt and pepper; they are key to unlocking the dish's full flavor potential.
  • Cover with Foil: If the cheese browns too quickly, cover the casserole with foil for part of the baking time.
  • Garnish for Freshness: A sprinkle of fresh parsley or green onions adds a beautiful pop of color and freshness on top.

Step-by-Step Instructions

Preheat and Prepare

Start by preheating your oven to 400°F (200°C). Peel and dice your potatoes, then toss them with olive oil, garlic powder, onion powder, salt, and pepper. Roast them for 20-25 minutes until they are golden and tender.

Prepare the Broccoli

While the potatoes are roasting, steam or blanch the broccoli for 3-4 minutes until it’s crisp-tender. This keeps its vibrant color and crunch intact.

Mix It All Together

In a large mixing bowl, combine the cooked chicken, roasted potatoes, and broccoli. Add in the sour cream, mayonnaise, and half of the shredded cheddar cheese. Mix thoroughly to combine all the flavors.

Spread and Top

Spread the mixture evenly in a greased 9x13-inch baking dish. Don’t forget to top it off with the remaining cheddar cheese for that delicious melty layer!

Bake to Perfection

Bake the casserole at 375°F (190°C) for 20-25 minutes, or until the cheese is melted, bubbly, and lightly golden. Let it rest for 5 minutes before serving.

Delicious Variations

Cheesy Cauliflower Casserole

Substitute half of the potatoes with cauliflower for a lower-carb option that still delivers on flavor.

Spicy Southwest Twist

Add diced jalapeños and a sprinkle of taco seasoning to the mix for a spicy kick that’ll liven up your dinner!

Italian Herb Medley

Incorporate Italian seasoning and diced tomatoes for a Mediterranean-inspired version that’s bursting with flavor.

How to Store Chicken Potato Broccoli Casserole

Refrigerator

Store in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave.

Freezer

Freeze in an airtight container for up to 2 months. Thaw overnight in the refrigerator before reheating.

Reheating

Reheat in the oven at 350°F (175°C) until warmed through, about 20-30 minutes, or until the cheese is bubbly.

Frequently Asked Questions

Can I make this casserole ahead of time?

Absolutely! You can prepare it a day in advance and refrigerate it before baking.

What can I substitute for sour cream?

You can use Greek yogurt or cream cheese for a similar creamy texture.

Can I use frozen broccoli?

Yes, just make sure to thaw and drain any excess water before adding it to the mixture.

How do I make it gluten-free?

This recipe is naturally gluten-free, just ensure that any pre-packaged ingredients are also gluten-free.

Now that you have all the details to create this comforting Chicken Potato Broccoli Casserole, it’s time to gather your ingredients and get cooking! Your family will thank you for this delightful meal that’s sure to become a new favorite.

Chicken Potato Broccoli Casserole

Chicken Potato Broccoli Casserole

This Chicken Potato Broccoli Casserole is a hearty, comforting dish packed with tender roasted potatoes, juicy chicken, crisp broccoli, and a creamy cheddar-filled sauce. It’s an easy, family-friendly bake perfect for busy evenings.

15 min
Prep Time
30 min
Cook Time
4
Servings
350 kcal
Calories

Ingredients

Instructions

  1. 1 Preheat the oven to 400°F (200°C). Peel and dice potatoes, then toss with olive oil, garlic powder, onion powder, salt, and pepper. Roast for 20–25 minutes until golden and tender. Steam or blanch broccoli for 3–4 minutes until crisp-tender.
  2. 2 In a large mixing bowl, combine cooked chicken, roasted potatoes, and broccoli. Add sour cream, mayonnaise, and half of the shredded cheddar cheese. Mix thoroughly.
  3. 3 Spread the mixture evenly in a greased 9x13-inch baking dish. Top with the remaining cheddar cheese.
  4. 4 Bake at 375°F (190°C) for 20–25 minutes, or until the cheese is melted, bubbly, and lightly golden.
  5. 5 Let the casserole rest for 5 minutes before serving. Garnish with parsley or green onions.

Chef's Note

For extra creaminess, add 2–3 tablespoons of cream cheese to the mixture. You can also substitute sweet potatoes or cauliflower for a fun twist.

Servings: 4

Cuisine: American

Course: Main Course

Nutrition (per serving): 30gg protein