If you’re on the hunt for a crave-worthy dinner that ticks all the boxes—delicious, comforting, healthy, and easy to make—look no further than this Easy Low Carb Chicken Casserole. Every bite is loaded with juicy chicken, crisp-tender veggies, and a creamy, cheesy sauce that makes both your taste buds and your waistline happy. You won’t believe how quickly this dish comes together, making it the perfect solution for busy weeknights or relaxed family gatherings. Whether you’re following a low-carb lifestyle or just need a new go-to weeknight recipe, this casserole is bound to become a regular in your kitchen rotation.

Easy Low Carb Chicken Casserole Recipe - Recipe Image

Ingredients You’ll Need

The secret to an unforgettable Easy Low Carb Chicken Casserole lies in its clever use of simple, wholesome ingredients. Every item here pulls double duty—enhancing flavor while keeping it light and satisfying. Here’s what you’ll need and exactly why it matters.

Chicken Breasts: Choose boneless, skinless and cube them for quick, even cooking and maximum tenderness.
Cauliflower Florets: These lend a hearty, potato-like bite, perfect for that satisfying comfort-food texture without the carbs.
Broccoli Florets: They not only add vibrant color but also subtle crunch and earthy flavor that balances the richness.
Shredded Cheddar Cheese: Delivers that classic melted cheese pull—go for sharp or mild based on your preference.
Cream Cheese (softened): Softened cream cheese blends seamlessly, making every forkful creamy and decadent.
Sour Cream: Adds a slight tang and more creaminess, tying all the flavors together beautifully.
Grated Parmesan Cheese: Brings a salty depth and a hint of umami in every layer.
Chopped Green Onions: These brighten up the casserole and add a fresh pop of flavor.
Minced Garlic: Just two cloves transform the aroma and add a satisfying savory background.
Paprika: Gives a gentle, smoky warmth that elevates the whole dish.
Salt: Essential for drawing out the natural flavors of every ingredient.
Black Pepper: Offers a bit of bite and balances the creamy components.
Olive Oil: For sautéing the garlic and chicken, it creates that golden, appetizing base flavor.

How to Make Easy Low Carb Chicken Casserole

Step 1: Preheat and Prepare

Start by preheating your oven to 375°F (190°C). This ensures your casserole will bake evenly and the cheeses will melt to bubbly perfection. While that’s heating up, gather all of your ingredients—mise en place makes for smooth, stress-free cooking!

Step 2: Sauté the Chicken and Garlic

Heat the olive oil in a large skillet over medium heat. Once shimmering, add the minced garlic and let it sauté for about a minute until fragrant. Add the cubed chicken and cook, stirring occasionally, for about 6 to 8 minutes or until the pieces are lightly browned and cooked through. Browning the chicken not only boosts the flavor but keeps it juicy inside the casserole.

Step 3: Mix Together the Casserole Filling

In a large mixing bowl, toss together the freshly cooked chicken, cauliflower florets, broccoli florets, softened cream cheese, sour cream, shredded cheddar, grated Parmesan, chopped green onions, paprika, salt, and black pepper. Don’t be afraid to really get in there—the goal is a creamy, evenly coated medley, with vegetables and chicken covered in cheesy goodness.

Step 4: Assemble in the Baking Dish

Lightly grease a 9×13-inch baking dish to prevent sticking. Pour the casserole mixture into the dish and spread it out evenly. Take a moment to smooth the top—this sets the stage for that dreamy golden crust after baking.

Step 5: Bake to Bubbly Perfection

Slip the casserole, uncovered, into your preheated oven. Bake for 25 to 30 minutes, until the cheese is melted and the entire dish is bubbling luxuriously around the edges. The top should turn a light golden color, indicating everything inside is creamy and hot. Let it cool for five minutes before serving—if you can resist!

How to Serve Easy Low Carb Chicken Casserole

Garnishes

A final flourish can make your Easy Low Carb Chicken Casserole truly shine! Try scattering extra chopped green onions or a sprinkle of fresh parsley over the top for a burst of flavor and color. For even more pizzazz, add a dusting of smoked paprika or a handful of crispy bacon bits before bringing it to the table.

Side Dishes

This casserole is hearty enough to stand alone, but pairing it with a crisp green salad or simple steamed veggies makes it a well-rounded meal. For those in the mood, a serving of cauliflower rice or zucchini noodles keeps things light and low-carb without sacrificing satisfaction.

Creative Ways to Present

Serve your casserole in individual ramekins for a dinner-party worthy presentation or spoon generous helpings into colorful bowls for cozy nights in. Want to impress? Garnish with a swirl of sour cream and a touch of freshly cracked black pepper for that restaurant-style finish.

Make Ahead and Storage

Storing Leftovers

The beauty of Easy Low Carb Chicken Casserole is how well it holds up for quick lunches or dinners throughout the week. Let the casserole cool completely before transferring it to an airtight container; it keeps perfectly in the refrigerator for up to four days without losing its flavor or texture.

Freezing

If you love meal prepping or want to save some for a rainy day, this casserole freezes beautifully. Wrap the baking dish tightly with foil or portion into freezer-safe containers. Freeze for up to three months. Thaw overnight in the refrigerator before reheating—it tastes just as delicious as the day you baked it!

Reheating

To reheat, cover the casserole loosely and warm it in a 350°F oven for about 15-20 minutes or until thoroughly heated and bubbly. For single servings, use the microwave in one-minute bursts, stirring in between. This keeps things moist and melty every time.

FAQs

Can I swap out the chicken for another protein?

Absolutely! Turkey breast or rotisserie chicken both work wonderfully, and even cooked sausage or shrimp can step in if you’re feeling adventurous. Just be sure your protein is cooked before mixing it into the casserole for the best results.

Can I make this Easy Low Carb Chicken Casserole vegetarian?

Yes—simply leave out the chicken and double up on your favorite low-carb veggies like zucchini, bell peppers, or even Brussels sprouts. Add some extra cheese or a handful of cooked lentils for protein and heartiness.

Is it possible to make this casserole dairy-free?

You can use dairy alternatives like almond-based cream cheese, vegan sour cream, and dairy-free shredded cheese. The texture will remain creamy, and you’ll still capture that indulgent casserole spirit.

How do I adjust the recipe for more people?

For a larger crowd, simply double all ingredients and use a larger, deeper baking dish. Bake time may increase by about 5-10 minutes, so watch for that signature golden, bubbling top.

What vegetables can I substitute in this casserole?

Feel free to substitute the cauliflower and broccoli with whatever you love—zucchini, bell peppers, mushrooms, or Brussels sprouts all work. Keeping the pieces bite-sized helps them cook evenly and blend nicely with the cheesy sauce.

Final Thoughts

If you’re searching for a dinner that’s equal parts healthy, flavorful, and soul-warming, this Easy Low Carb Chicken Casserole is calling your name. Don’t be surprised if it becomes your new weeknight favorite. Happy cooking—and enjoy every delicious bite!

Easy Low Carb Chicken Casserole Recipe

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4.5 from 21 reviews

Author: Emma
Total Time: 50 minutes
Yield: 6 servings 1x
Diet: Non-Vegetarian

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Description

A delicious and easy low-carb chicken casserole that is creamy, cheesy, and packed with flavorful chicken and vegetables. This comforting dish is perfect for a family dinner or meal prep.

Ingredients

Scale

Chicken Mixture:

2 pounds boneless, skinless chicken breasts (cubed)
1 tablespoon olive oil
2 cloves garlic (minced)

Vegetable Mix:

2 cups cauliflower florets
1 cup broccoli florets

Cheese Mixture:

1 cup shredded cheddar cheese
1/2 cup cream cheese (softened)
1/4 cup grated Parmesan cheese
1/2 cup sour cream
1/2 cup chopped green onions
1 teaspoon paprika
1/2 teaspoon salt
1/4 teaspoon black pepper

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Instructions

Preheat Oven: Preheat oven to 375°F (190°C).
Sauté Chicken: Heat olive oil in a skillet, sauté garlic, add cubed chicken, and cook until browned.
Mix Ingredients: In a bowl, combine chicken, cauliflower, broccoli, cheese, sour cream, spices, and green onions.
Bake: Transfer mixture to a baking dish, bake uncovered for 25–30 minutes until bubbly.
Serve: Let cool for 5 minutes before serving.