Name: Easy Keto Broccoli Chicken Casserole Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 4 cups broccoli florets; 2 cups cooked shredded chicken (preferably rotisserie chicken); 1.5 cups shredded cheddar cheese; 1 cup heavy cream; 0.5 cup cream cheese (softened); 0.25 cup grated Parmesan cheese; 1 teaspoon garlic powder; 0.5 teaspoon onion powder; 0.5 teaspoon salt; 0.25 teaspoon black pepper

Jump to Recipe· 4.1 from 13 reviews

I absolutely love sharing this Easy Keto Broccoli Chicken Casserole Recipe with friends and family because it’s the perfect blend of comforting and healthy all in one dish. It’s packed with tender chicken, crisp broccoli, and the creamiest, cheesy sauce that keeps me coming back for more every time. I know you’re going to adore how simple it is to make and how well it fits into a low-carb, keto lifestyle without ever sacrificing flavor or satisfaction.

Why You’ll Love This Easy Keto Broccoli Chicken Casserole Recipe

When I first tried this casserole, I was blown away by how the flavors come alive together. The sharpness of the cheddar cheese mixed with the subtle nuttiness of Parmesan creates such a rich, velvety sauce that perfectly coats the tender chicken and crisp broccoli. The garlic and onion powders add just the right hint of savory depth without overpowering the dish. To me, this casserole strikes the ideal balance of indulgence and wholesomeness.

What makes this Easy Keto Broccoli Chicken Casserole Recipe truly special is how effortless it is to prepare. I mean, steaming broccoli to the perfect crisp-tender texture and combining it with pre-cooked shredded chicken means minimal fuss and maximum flavor in under an hour. It’s such a versatile dish that I feel confident serving it at casual weeknight dinners and even holiday gatherings. Plus, its keto-friendly nature helps me stay on track with my eating goals without feeling deprived.

Ingredients You’ll Need

The image shows eight small white bowls arranged in a circle on a white marbled surface. In the center, there is one medium white bowl filled with green broccoli florets. Starting from the top and moving clockwise around the circle, the white bowls contain pieces of raw chicken, cream cheese, grated parmesan cheese, a mixture of pepper and salt, garlic and onion powder, shredded mozzarella cheese, sour cream, and chicken broth. Each bowl's contents are clearly visible, showing distinct colors and textures like the soft cream cheese, grated cheeses, and raw chicken pieces. Photo taken with an iphone --ar 4:5 --v 7

These ingredients are simple yet essential, each adding something unique to the casserole’s flavor, texture, and color. From the fresh broccoli’s vibrant green to the creamy cheeses that finish the dish, every component plays a key role.

Broccoli florets: I use fresh or frozen, steaming them just until crisp-tender preserves their bright color and slight crunch.
Cooked shredded chicken: Rotisserie chicken works perfectly here for convenience and flavor.

Shredded cheddar cheese: Sharp cheddar gives the casserole a rich, comforting cheesiness that I love.
Heavy cream: This adds incredible creaminess and helps bring the whole sauce together.
Cream cheese: Softened cream cheese gives the casserole a luscious, silky texture that’s hard to resist.

Grated Parmesan cheese: Sprinkled on top, it browns beautifully and adds a savory, slightly nutty crust.
Garlic powder: Offers a gentle savory kick without being overpowering.
Onion powder: Deepens the flavor with a subtle sweetness and warmth.

Salt and black pepper: Essential seasoning to balance and elevate all the other ingredients.

Directions

Step 1: Preheat your oven to 350°F (175°C) to get it ready for baking the casserole to golden perfection.

Step 2: Steam or blanch the broccoli florets until they’re tender but still crisp, which usually takes about 4 to 5 minutes. Once done, drain them well and set aside so they don’t get soggy.

Step 3: In a medium mixing bowl, blend the heavy cream, softened cream cheese, garlic powder, onion powder, salt, and black pepper until the mixture is smooth and creamy without lumps. This sauce will be the heart of the casserole.

Step 4: Add the shredded chicken, steamed broccoli, and shredded cheddar cheese to your creamy sauce. Stir everything gently but thoroughly to combine all those wonderful flavors evenly.

Step 5: Grease a baking dish lightly, then transfer your casserole mixture into it, spreading it out evenly. Sprinkle the grated Parmesan cheese over the top to create a beautiful golden crust during baking.

Step 6: Bake uncovered for 25 to 30 minutes until the casserole is bubbly and the Parmesan cheese topping turns a delicious golden brown that I can’t wait to dig into.

Step 7: Let the dish cool for about 5 minutes once it’s out of the oven. This helps it set slightly and makes serving cleaner and easier. Then serve it warm and enjoy the comforting flavors!

Servings and Timing

This Easy Keto Broccoli Chicken Casserole Recipe makes about 6 generous servings, perfect for a family meal or to have leftovers for lunch the next day. Prep time is roughly 15 minutes, mostly for steaming and mixing, while the cook time is about 25 to 30 minutes. In total, you’re looking at around 45 minutes from start to finish, which is pretty quick given how satisfying the final dish is. I recommend letting it rest for a few minutes after baking to let all the flavors settle nicely.

How to Serve This Easy Keto Broccoli Chicken Casserole Recipe

A white ceramic baking dish filled with a baked casserole featuring three main layers: the bottom layer is a creamy, white sauce speckled with herbs; the middle layer has bright green broccoli florets evenly spread; the top layer consists of golden-brown baked cheese and chunks of light brown chicken, with a crispy, slightly charred texture and sprinkled fresh green herbs. The dish sits on a wooden board with a white marbled surface in the background. photo taken with an iphone --ar 4:5 --v 7

I like to serve this casserole hot straight from the oven so the cheese is wonderfully melty and the topping is warm and golden. It’s fantastic on its own as a hearty main dish, but I often pair it with a fresh, crisp side salad to add a refreshing contrast. A mix of baby greens with a lemon vinaigrette brightens up the richness and balances the meal beautifully.

For garnishing, a simple sprinkle of chopped fresh parsley or chives adds a pop of green color and a touch of freshness that elevates the presentation. When plating, I scoop modest portions so everyone can enjoy seconds if they want. As for drinks, I find that pairing this casserole with a chilled glass of dry white wine like Sauvignon Blanc or a light sparkling water with lemon makes for a perfect meal experience.

This dish shines during weeknight dinners when you want something that’s both cozy and nutritious, but it’s also elegant enough to serve at casual gatherings or holiday meals. Whether you’re eating right after baking or warming up leftovers, I always aim for it to be served warm to maximize that creamy, comforting texture.

Variations

One of the things I enjoy most about this recipe is how easy it is to customize. If you want to switch up the cheese, try using mozzarella or gouda for a creamier or smokier flavor profile. For a bit of extra veggie goodness, I sometimes sneak in sautéed mushrooms or diced bell peppers to add texture and color.

If you’re adapting the recipe for special diets, it’s naturally gluten-free as is. For a dairy-free twist, you could experiment with coconut cream instead of heavy cream and use vegan cream cheese and cheese alternatives. While it won’t be exactly the same traditional taste, it can be just as delicious with those swaps.

For flavor variations, adding a teaspoon of smoked paprika or some chopped jalapeños gives the casserole a subtle smoky heat that I personally love. And if you prefer a stove-top version, you can cook the combined mixture gently in a casserole pan on low heat just until bubbly before finishing briefly under the broiler for the golden top.

Storage and Reheating

Storing Leftovers

Leftovers of this casserole store wonderfully in airtight containers in the refrigerator. I usually transfer any portions I don’t eat right away into glass or BPA-free plastic containers, making sure to cool them to room temperature before sealing. Stored this way, the casserole keeps fresh and tasty for up to 3 to 4 days.

Freezing

This Easy Keto Broccoli Chicken Casserole Recipe freezes well, which makes it a great make-ahead meal option. For freezing, I portion it into freezer-safe containers or wrap the baking dish tightly with foil and plastic wrap to prevent freezer burn. It should keep well in the freezer for up to 2 months. To enjoy, I recommend thawing it overnight in the fridge before reheating.

Reheating

When it’s time to reheat, I prefer using an oven or toaster oven at 350°F (175°C) until warmed through to maintain the casserole’s creamy texture and crispy top. Microwaving works too for convenience but can sometimes make the broccoli a little soft. To refresh the crust after microwaving, a quick blast under the broiler for a minute or two works great—just watch carefully so it doesn’t burn!

FAQs

Can I use frozen broccoli for this casserole?

Absolutely! Frozen broccoli works just as well as fresh, but I recommend thawing and draining it well before mixing to avoid excess moisture that can make the casserole watery.

Is this recipe suitable for meal prep?

Yes, I often make this casserole ahead of time and refrigerate it until ready to bake. It also reheats beautifully, making it perfect for meal prep lunches or dinners during a busy week.

Can I make this recipe dairy-free?

You can! Substitute the heavy cream with coconut milk or cashew cream, and use vegan cream cheese and dairy-free cheese alternatives. Keep in mind the flavor will be slightly different but still delicious.

What’s the best way to shred chicken for this recipe?

I usually use rotisserie chicken for convenience and shred it with my hands or two forks to get nice, bite-sized pieces that mix evenly throughout the casserole.

Can I add other vegetables to this casserole?

Definitely! Cauliflower, mushrooms, or bell peppers are excellent choices. Just lightly cook or steam them beforehand to ensure the casserole has the right texture.

Conclusion

I truly hope you give this Easy Keto Broccoli Chicken Casserole Recipe a try because it’s become one of my go-to dishes whenever I want something comforting, flavorful, and keto-friendly. It’s simple to make, endlessly adaptable, and simply delicious every time. Once you taste that creamy, cheesy goodness combined with tender chicken and broccoli, you’ll understand why I keep coming back to this casserole as a comforting favorite.