Chicken Potato Broccoli Casserole

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This Chicken Potato Broccoli Casserole is the kind of hearty, creamy comfort food that brings everyone to the table. Loaded with tender chunks of chicken, golden potatoes, and fresh green broccoli, all blanketed under a rich cheese sauce and baked to bubbly perfection—this dish is a one-pan wonder that delivers both nourishment and satisfaction.

Whether you’re prepping a weeknight dinner, feeding a crowd, or looking for a cozy Sunday bake, this casserole offers a well-balanced meal that’s both easy to assemble and loaded with flavor. The contrast of cheesy crisp top and creamy interior makes each bite unforgettable. Plus, it’s a fantastic way to sneak in those veggies while keeping things family-friendly.

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What Kind of Chicken Should I Use?

You can use rotisserie chicken for convenience, leftover grilled chicken for smoky flavor, or cook fresh boneless skinless chicken breasts or thighs. Just make sure it’s cooked and shredded or diced before mixing into the casserole. If you’re in a time crunch, canned chicken will also do the job, though fresh or leftover chicken tends to offer the best texture.

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Ingredients for the Chicken Potato Broccoli Casserole

• Chicken – The star of the show. Cooked and chopped, it brings lean protein and savory flavor to the dish.
• Potatoes – Use Yukon gold or russet potatoes, diced small so they cook evenly. They make the casserole heartier and creamy.
• Broccoli – Fresh florets add color, texture, and a mild crunch that balances the richness.
• Cheddar Cheese – Shredded sharp cheddar melts beautifully and creates that golden top crust.
• Cream of Chicken Soup – Forms the base of the creamy sauce that binds everything together.
• Sour Cream – Adds tang and creamy richness to complement the soup.
• Milk – Thins out the mixture just enough to bake evenly without drying out.
• Peas (optional) – Sweet green peas give bursts of flavor and extra veggies.
• Onion & Garlic Powder – Simple seasonings that enhance the savory profile without overpowering.
• Salt & Pepper – Essential for seasoning the base.

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How To Make the Chicken Potato Broccoli Casserole

Step 1: Prep Your Ingredients

Peel and dice your potatoes into small cubes. Steam or blanch broccoli florets just until vibrant green and slightly tender. If you’re using frozen peas, no need to thaw—just measure them out. Shred your cheese and have your cooked chicken chopped or shredded.

Step 2: Mix the Sauce Base

In a large bowl, combine cream of chicken soup, sour cream, milk, onion powder, garlic powder, salt, and pepper. Stir well until smooth and creamy.

Step 3: Combine Everything

To the sauce mixture, add your diced potatoes, broccoli, peas (if using), and cooked chicken. Mix everything gently until the ingredients are evenly coated in the sauce.

Step 4: Assemble in a Baking Dish

Transfer the mixture into a greased 9×13 inch casserole dish. Spread it out evenly, and sprinkle the shredded cheddar cheese generously over the top.

Step 5: Bake to Golden Perfection

Bake in a preheated oven at 375°F (190°C) for 45–50 minutes, or until the cheese is bubbly and golden brown, and the potatoes are fork-tender.

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How to Serve and Store This Casserole

Serve it warm straight from the oven with a sprinkle of fresh herbs like parsley or thyme for a bright pop of color. It pairs well with a crisp side salad or some garlic bread for a complete meal.

To store leftovers, let the casserole cool completely before transferring to an airtight container. It keeps well in the fridge for up to 4 days. You can also freeze it in portions for easy meal prep—just reheat in the oven or microwave until hot through.

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Frequently Asked Questions

How can I make this casserole vegetarian?

You can swap the chicken with canned white beans, chickpeas, or even sautéed mushrooms for a plant-based alternative.

Can I use frozen vegetables instead of fresh?

Yes! Frozen broccoli and peas work well. Just thaw and drain them before adding to avoid excess moisture.

How do I know when the casserole is done?

The top should be golden brown, the cheese melted, and the potatoes fork-tender. Check by piercing a potato cube with a fork.

Can I prep this ahead of time?

Absolutely. Assemble the casserole the night before, cover, and refrigerate. Bake when you’re ready to serve, adding an extra 5–10 minutes to the cooking time.

What cheese can I substitute for cheddar?

Try Monterey Jack, mozzarella for a milder taste, or pepper jack for a spicy kick.

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Want More Casserole Ideas?

If you loved this Chicken Potato Broccoli Casserole, don’t stop here! Try out these other cozy comfort bakes from the kitchen:

• Cheesy Broccoli Rice Casserole – a side dish that easily steals the show.
• Cafeteria Noodles with Garlic Butter Chicken Bites – creamy, nostalgic flavor in every bite.
• Garlic Parmesan Chicken and Potatoes – crispy, savory, and baked to perfection.
• Garlic Butter Chicken with Creamy Ricotta Alfredo Pasta – perfect for pasta nights.
• Creamy Garlic Parmesan Tortellini with Chicken and Broccoli – rich and comforting with a twist.

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Save This Pin + Share Your Results

📌 Save this recipe to your Pinterest dinner board so you can come back to it any time.

And let me know in the comments how yours turned out! Did you toss in extra veggies? Swap the cheese? I love seeing how you make these recipes your own.

✨ For more daily comfort food inspiration, visit my Pinterest page at Life with Nina.

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