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Delicious Low Carb Chicken Casserole for Cozy Nights

Published: Dec 27, 2025 by Emma Saviani ·

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As I opened my fridge, a colorful medley of vegetables caught my eye, reminding me of the endless possibilities that await in a simple casserole. Today, I’m excited to share my Low Carb Chicken Casserole, a dish that transforms leftover chicken into a hearty meal packed with nutrition and comfort. This recipe is a true time-saver, requiring just 15 minutes of prep—perfect for those busy weeknights when you crave something warm and satisfying without the fuss. With its creamy goodness and the delightful crunch of broccoli and cauliflower, this casserole isn't just low in carbs; it’s a flavorful treat that everyone in the family will love. Are you ready to elevate your dinner routine and discover how easy homemade can be?

Low Carb Chicken Casserole

Why is this casserole a game changer?

Unforgettable flavors: The rich combination of creamy sauce, tender chicken, and fresh veggies makes every bite unforgettable.
Quick and easy: With just 15 minutes of prep, you can whip up this Low Carb Chicken Casserole on even the busiest nights.
Nutrient-packed: Loaded with protein and fiber, this dish is both satisfying and guilt-free.
Crowd-pleaser: Perfect for family dinners, it appeals to everyone, making it a go-to recipe for gatherings.
Versatile ingredients: Don’t have chicken? Swap it for tuna or turkey – the possibilities are endless! Enjoy this cozy delight tonight and consider pairing it with a refreshing salad for a balanced meal.

Low Carb Chicken Casserole Ingredients

Unlock the secret to a cozy family meal!

For the Chicken
• Cooked chicken, shredded – 2 cups, use leftover rotisserie chicken for a quick meal!

For the Veggies
• Broccoli florets – 1 cup, they add great texture and nutrients.
• Cauliflower florets – 1 cup, a fantastic low-carb alternative to pasta!
• Mushrooms, sliced – 1 cup, they bring a rich, earthy flavor to the mix.

For the Sauce
• Heavy cream – 1 cup, it makes the casserole delightfully creamy.
• Shredded cheese – 1 cup (cheddar or mozzarella), feel free to mix different types for flavor!

For the Seasoning
• Garlic powder – 1 teaspoon, essential for that comforting taste.
• Onion powder – 1 teaspoon, adds depth to the overall flavor profile.
• Salt – ½ teaspoon, adjust to your taste for the perfect seasoning.
• Black pepper – ½ teaspoon, adds a nice, gentle kick.

Craft your delicious Low Carb Chicken Casserole with these simple yet fulfilling ingredients and enjoy a comforting meal that warms both heart and home!

Step‑by‑Step Instructions for Low Carb Chicken Casserole

Step 1: Preheat the Oven
Begin by preheating your oven to 350°F (175°C). This important step ensures that your Low Carb Chicken Casserole cooks evenly throughout. Use an oven thermometer if you have one, to double-check that the temperature is accurate, allowing for perfectly cooked chicken and veggies.

Step 2: Mix the Ingredients
In a large mixing bowl, combine the 2 cups of shredded cooked chicken, 1 cup of broccoli florets, 1 cup of cauliflower florets, 1 cup of sliced mushrooms, and 1 cup of heavy cream. Sprinkle in half of the shredded cheese, along with 1 teaspoon each of garlic powder and onion powder, plus the salt and black pepper. Stir gently for about 1 to 2 minutes, ensuring every ingredient is well coated in the creamy goodness.

Step 3: Prepare the Baking Dish
Grease a 9x13-inch baking dish with a bit of butter or non-stick spray—this will help your casserole come out perfectly without sticking. Once greased, carefully transfer the chicken and vegetable mixture into the dish, spreading it out evenly to ensure that every bite of your Low Carb Chicken Casserole is deliciously packed.

Step 4: Add the Cheese Topping
Sprinkle the remaining cheese over the top of the mixture in the baking dish. Make sure to cover the entire surface, as this will create a lovely, golden-brown crust while baking. Take a moment to appreciate the vibrant colors of the veggies peeking through the creamy cheese layer before placing it in the oven.

Step 5: Bake to Perfection
Place the baking dish in your preheated oven and bake for 35 to 40 minutes. Keep an eye on the casserole, as it will be ready when it is bubbly and the cheese has turned a wonderful golden brown. The enticing aroma of your Low Carb Chicken Casserole will fill your kitchen, making it hard to wait!

Step 6: Cool and Serve
Once baked, carefully remove the casserole from the oven and let it cool for about 5 to 10 minutes. This brief cooling period allows the flavors to meld together while making it safer to serve. Once cool, scoop out portions and enjoy your hearty, comforting meal with family and friends.

Low Carb Chicken Casserole

Low Carb Chicken Casserole Variations

Feel free to get creative with this recipe, letting your taste buds guide you through delightful twists and substitutions!

  • Dairy-Free: Substitute heavy cream with coconut cream and cheese with nutritional yeast for a creamy, dairy-free version.

  • Vegetarian: Swap chicken for chickpeas or lentils, adding more veggies like bell peppers for a hearty, plant-based delight. The combination of legumes and fresh vegetables creates a satisfying, protein-packed meal.

  • Spicy Kick: Add chopped jalapeños or a dash of cayenne pepper to the mix for a fiery taste that will tantalize your palate.

  • Texture Boost: Incorporate crushed pork rinds on top before baking for a crunchy texture that contrasts beautifully with the creamy filling.

  • Flavor Explosion: Mix in sun-dried tomatoes or pesto to elevate the flavor profile with an irresistible Italian twist that will transport your taste buds to the Mediterranean.

  • Nutty Crunch: Top your casserole with toasted almond slices for a nutty flavor and pleasing crunch that complements the softness of the dish wonderfully.

  • Zucchini Noodles: Replace the cauliflower with zucchini noodles for a lighter version that’s still packed with nutrients and flavor.

  • Herb Infusion: Sprinkle in fresh herbs like dill or thyme before baking to add freshness and aromatic layers to your casserole, enhancing the overall experience.

Feel free to explore these variations and make this Low Carb Chicken Casserole uniquely yours. How about trying it alongside a refreshing side salad to truly round out your meal? Enjoy your cooking adventure!

Expert Tips for Low Carb Chicken Casserole

Quality Ingredients: Use fresh vegetables for the best texture and flavor. Fresh broccoli, cauliflower, and mushrooms enhance the overall appeal of your Low Carb Chicken Casserole.

Don’t Overmix: When combining the ingredients, mix gently to prevent the chicken from becoming too shredded. You want tender chunks in your casserole.

Cheese Variations: Feel free to experiment with different cheeses like gouda or pepper jack. This adds unique flavors to your casserole without compromising the low-carb profile.

Baking Time Watch: Keep an eye on the casserole during the last few minutes. Ovens vary, and overcooking can lead to dry chicken or burnt cheese.

Resting Time: Allow your casserole to rest for 5-10 minutes before serving. This helps the layers set and improves the flavor as it melds together for a heartwarming dish.

What to Serve with Low Carb Chicken Casserole

Transform your dinner into a delightful feast by pairing this comforting casserole with vibrant sides and scrumptious beverages.

  • Garlic Bread: The warm, buttery taste of garlic bread offers a perfect contrast to the creamy casserole, making each bite even more enjoyable. Imagine scooping up the cheesy goodness with a warm slice—pure comfort!

  • Caesar Salad: This crisp salad with romaine, parmesan, and a tangy dressing adds a refreshing crunch that beautifully complements the savory casserole. The bright flavors act as a wonderful contrast to the richness of the dish.

  • Steamed Asparagus: Lightly steamed asparagus spears bring a lovely green crunch and a touch of elegance to your table. Their earthiness pairs harmoniously with the flavors in the casserole and adds a pop of color!

  • Roasted Brussels Sprouts: The caramelized edges of roasted Brussels sprouts create an irresistible taste that pairs well with the casserole's creamy texture. This side enhances the meal's rustic comfort with a hint of sweetness.

  • Mixed Berry Salad: A refreshing salad of mixed berries provides a sweet contrast that balances the savory casserole. Think juicy strawberries, blueberries, and raspberries glistening with a light honey vinaigrette that tantalizes your tastebuds.

  • Sparkling Water with Lemon: A glass of sparkling water with a wedge of lemon refreshes the palate, making it the ideal drink to accompany a hearty meal. It's light, crisp, and the perfect way to cleanse your senses.

  • Chocolate Mousse: For dessert, a rich chocolate mousse creates the ultimate finish to your meal. Its velvety texture and deep flavor are sure to please both you and your guests, wrapping up the evening on a sweet note!

Make Ahead Options

These Low Carb Chicken Casserole ingredients are perfect for meal prep enthusiasts! You can chop and combine the chicken, broccoli, cauliflower, and mushrooms up to 24 hours in advance and store them in the refrigerator in an airtight container. For the best quality, wait to mix in the heavy cream and cheese until just before baking, as this keeps the flavors fresh and prevents sogginess. When you’re ready to serve, simply add the cream and cheese mixture, sprinkle the remaining cheese on top, and bake as directed. This way, you’ll enjoy a comforting homemade meal with minimal preparation time, just the way busy weeknights demand.

How to Store and Freeze Low Carb Chicken Casserole

Fridge: Store leftover casserole in an airtight container for up to 3 days. Reheat in the microwave or oven until heated through for a quick meal.

Freezer: Freeze the casserole in a freezer-safe container for up to 3 months. To prevent freezer burn, wrap it tightly in plastic wrap before sealing.

Reheating: Thaw overnight in the fridge for best results. Reheat in the oven at 350°F (175°C) for about 25-30 minutes, or until warmed throughout.

Portioning: Consider portioning the casserole before freezing. This makes it easy to enjoy just the right amount without defrosting the entire dish.

Low Carb Chicken Casserole

Low Carb Chicken Casserole Recipe FAQs

How do I select the best vegetables for this casserole?
Absolutely! When choosing your veggies, look for bright green broccoli with firm florets and fresh, crisp cauliflower. For mushrooms, select firm ones without dark spots. Fresh vegetables bring a wonderful crunch and flavor to your Low Carb Chicken Casserole.

How should I store leftovers of the casserole?
Certainly! Leftover casserole should be stored in an airtight container in the fridge for up to 3 days. To reheat, simply pop it in the microwave or in the oven until warmed through—this will keep your meal delicious and satisfying!

Can I freeze the Low Carb Chicken Casserole?
Yes, you can! To freeze, first cool the casserole completely, then wrap it tightly in plastic wrap to avoid freezer burn. Place it in a freezer-safe container, and enjoy it within 3 months for best quality. To reheat, allow it to thaw in the fridge overnight before warming it in the oven.

What should I do if my casserole turns out too dry?
Very! If your casserole comes out dry, it may be that it was overbaked. Next time, check it a few minutes earlier. If it's already done, you can add a splash of heavy cream or broth when reheating to give it back that creamy texture.

Are there any dietary considerations I should keep in mind?
Absolutely! This casserole is low-carb, making it suitable for those following keto or low-carb diets. However, if you're cooking for someone with a dairy allergy, you can swap out the heavy cream and cheese for dairy-free alternatives. Always check your ingredients to accommodate personal dietary needs.

Low Carb Chicken Casserole

Delicious Low Carb Chicken Casserole for Cozy Nights

This Low Carb Chicken Casserole is a hearty meal packed with nutrition and comfort, making it a perfect choice for busy weeknights.
Print Pin Rate
Course: Main Dishes
Cuisine: American
Keyword: Casserole, Chicken Recipe, comfort food, easy recipe, Healthy Dinner, Low Carb Chicken Casserole
Prep Time: 15 minutes minutes
Cook Time: 40 minutes minutes
Cooling Time: 10 minutes minutes
Total Time: 1 hour hour 5 minutes minutes
Servings: 6 servings
Calories: 350kcal

Equipment

  • Oven
  • Baking dish
  • Mixing bowl
  • Measuring cups
  • measuring spoons

Ingredients

For the Chicken

  • 2 cups cooked chicken, shredded use leftover rotisserie chicken for a quick meal!

For the Veggies

  • 1 cup broccoli florets they add great texture and nutrients.
  • 1 cup cauliflower florets a fantastic low-carb alternative to pasta!
  • 1 cup mushrooms, sliced they bring a rich, earthy flavor to the mix.

For the Sauce

  • 1 cup heavy cream it makes the casserole delightfully creamy.
  • 1 cup shredded cheese (cheddar or mozzarella), feel free to mix different types for flavor!

For the Seasoning

  • 1 teaspoon garlic powder essential for that comforting taste.
  • 1 teaspoon onion powder adds depth to the overall flavor profile.
  • 0.5 teaspoon salt adjust to your taste for the perfect seasoning.
  • 0.5 teaspoon black pepper adds a nice, gentle kick.

Instructions

Step-by-Step Instructions

  • Preheat your oven to 350°F (175°C). This ensures even cooking.
  • In a large mixing bowl, combine cooked chicken, broccoli, cauliflower, mushrooms, and heavy cream. Add half of the shredded cheese and seasoning. Stir gently for 1-2 minutes.
  • Grease a 9x13-inch baking dish and transfer the mixture, spreading it evenly.
  • Sprinkle remaining cheese over the mixture in the dish.
  • Bake for 35 to 40 minutes until bubbly and golden brown.
  • Let it cool for 5-10 minutes before serving.

Notes

Use fresh vegetables for the best texture and flavor. Allow cooling time before serving for better flavor melding.

Nutrition

Serving: 1serving | Calories: 350kcal | Carbohydrates: 10g | Protein: 30g | Fat: 24g | Saturated Fat: 14g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 8g | Cholesterol: 100mg | Sodium: 500mg | Potassium: 600mg | Fiber: 3g | Sugar: 2g | Vitamin A: 15IU | Vitamin C: 80mg | Calcium: 30mg | Iron: 10mg

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Ellie Monroe

I’m Ellie, a 54-year-old home cook who believes the best recipes come from the heart. At Heavenly Recipe, I share comforting classics, sweet treats, and simple meals that anyone can make, just like the ones passed down through my family.

More about me

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