Creamy Keto Broccoli Chicken Casserole

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When you need a comforting, hearty meal without the carb overload, this Creamy Keto Broccoli Chicken Casserole delivers in every bite. It’s rich, cheesy, packed with tender chicken and broccoli, and bakes to golden bubbly perfection. Whether you’re on a keto diet or just want a delicious low-carb dinner option, this casserole is a satisfying, family-approved favorite.

The magic happens when simple ingredients like shredded rotisserie chicken, fresh broccoli, cream cheese, and shredded cheddar come together in one baking dish. With only 10 minutes of prep time, it’s the kind of weeknight winner that keeps everyone at the table happy (and full!).

What Kind of Chicken Should I Use?

The beauty of this recipe is its flexibility. Rotisserie chicken works wonderfully because it’s tender and already cooked, but you can also use grilled chicken breasts, leftover roasted chicken, or even shredded thigh meat for extra richness. Just make sure it’s well-seasoned and shredded or chopped into bite-sized pieces.

Ingredients for the Creamy Keto Broccoli Chicken Casserole

Chicken – Shredded rotisserie chicken gives this dish instant flavor and cuts down on cooking time.

Broccoli Florets – Fresh or frozen both work. Broccoli adds color, texture, and fiber to the dish.

Cream Cheese – Adds luscious creaminess and helps bind the casserole.

Shredded Cheddar Cheese – A sharp, melty cheese that adds gooey, golden topping and flavor.

Heavy Cream – Keeps everything moist and adds rich depth to the sauce.

Garlic Powder & Onion Powder – Essential seasoning to boost savory flavor.

Salt & Pepper – Adjust to taste, but don’t skip them!

Butter – Adds a hint of indulgence and helps melt the cream cheese evenly.

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How To Make the Creamy Keto Broccoli Chicken Casserole

Step 1: Prep the Oven and Pan

Preheat your oven to 375°F and lightly grease a 9×13-inch baking dish with cooking spray or butter.

Step 2: Steam the Broccoli

If using fresh broccoli, steam it until just tender (about 3-4 minutes). Drain and set aside. If using frozen, thaw and drain well to avoid excess water in the casserole.

Step 3: Make the Creamy Sauce

In a large saucepan over medium heat, melt the butter and stir in cream cheese, heavy cream, garlic powder, onion powder, salt, and pepper. Whisk until the sauce is smooth and creamy.

Step 4: Combine and Layer

In a large bowl, combine the shredded chicken, steamed broccoli, and creamy sauce. Mix well until everything is coated. Transfer to the prepared baking dish and spread evenly.

Step 5: Add the Cheese

Sprinkle the shredded cheddar cheese generously over the top.

Step 6: Bake to Perfection

Bake for 20-25 minutes, or until bubbly and golden on top. For extra browning, broil for an additional 1-2 minutes.

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Serving and Storing Your Casserole

This casserole is best served hot and fresh out of the oven. The cheese is perfectly melty, and the creamy texture is unbeatable. If you have leftovers, they store beautifully in an airtight container in the fridge for up to 4 days. To reheat, simply microwave or pop it in the oven until warm.

Freezer-friendly tip: Freeze the assembled (but unbaked) casserole tightly wrapped for up to 2 months. Bake directly from frozen at 375°F, adding 10-15 minutes to the cooking time.

What to Serve With Creamy Keto Broccoli Chicken Casserole?

Cauliflower Rice

A fluffy, low-carb substitute that soaks up the creamy sauce perfectly.

Simple Green Salad

A fresh salad with crisp lettuce and vinaigrette adds a refreshing contrast.

Roasted Asparagus

Lightly roasted with garlic and olive oil, it’s a great keto-friendly side.

Keto Dinner Rolls

Soft almond flour rolls bring the full comfort food feel.

Sauteed Mushrooms

Add earthy flavor and a bit more bulk to your plate.

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Want More Casserole Ideas?

If you’re a fan of hearty, creamy casseroles, don’t miss these other delicious options from Savor Queen:

• Chicken Crescent Roll Casserole for a buttery, biscuit-topped twist.
• Hashbrown Chicken Casserole when you’re craving cozy comfort.
• Runza Casserole packed with beef, cabbage, and cheesy goodness.
• French Onion Chicken Rice Casserole for savory depth in one dish.
• Creamy Crockpot Crack Chicken if you love creamy chicken with a slow-cooked kick.

Save This Pin For Later

Save this comforting casserole to your favorite Pinterest board so you can whip it up again for a cozy weeknight or when guests pop over.

Tried it with your own twist? Maybe added bacon or swapped in cauliflower? Let us know in the comments!

Need more inspiration? Explore my daily kitchen creations on Savor Queen on Pinterest. You might just find your next favorite meal!

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