Easy Low Carb Chicken Casserole Recipe
If you’re on the hunt for a comforting meal that fits perfectly into a low-carb lifestyle, this Easy Low Carb Chicken Casserole is about to become your new favorite dinner. It combines tender chicken, crispy bacon, vibrant greens, and creamy ranch dressing all baked to cheesy, bubbly perfection. This dish is both hearty and wholesome, showcasing how simple ingredients come together to create an irresistibly tasty casserole that feels indulgent without any of the carb overload. Get ready to fall in love with a recipe that’s as easy to make as it is delicious.

Ingredients You’ll Need
This Easy Low Carb Chicken Casserole requires a handful of straightforward, fresh ingredients that bring together a beautiful harmony of flavor and texture. Each component plays a vital role, from the savory bacon adding crunch, to the creamy cheeses that melt into a luscious topping, making this dish a real showstopper.
- Chicken breast (4 cups, diced or shredded): Use cooked chicken for quick assembly and a protein-packed base.
- Bacon (8 slices, cooked and chopped): Brings smoky, crispy richness that elevates every bite.
- Broccoli florets (5 cups) or well-drained frozen spinach (1 pound): Adds vibrant color, fiber, and nutrients with a fresh or mild spinach taste.
- Minced garlic (3 cloves): Infuses subtle aromatic depth without overpowering the dish.
- Ranch dressing (1 cup): Creamy and tangy, it binds everything together with classic flavor.
- Shredded mozzarella cheese (1 cup, divided): Melts beautifully for gooey texture and mild creaminess.
- Shredded cheddar cheese (1 cup, divided): Offers sharpness and color contrast in both the filling and topping.
- Optional ranch seasoning mix (1-3 teaspoons): For those who love an extra pop of savory spice.
How to Make Easy Low Carb Chicken Casserole
Step 1: Prepare Vegetables
Begin by prepping your greens to ensure the best texture. If you choose broccoli, boiling it briefly until bright green helps soften it just right while keeping a little crunch. Spinach lovers should thaw frozen spinach thoroughly and squeeze out any excess moisture to avoid a watery casserole. Meanwhile, preheat your oven to 375°F (191°C) so it’s ready to go when you finish combining the ingredients.
Step 2: Combine the Main Ingredients
In a large bowl, mix your diced chicken, chopped bacon, prepared broccoli or spinach, and minced garlic. Stir in the ranch dressing along with half of the mozzarella and cheddar cheeses, folding everything together so each bite is bursting with flavor. Incorporate some ranch seasoning if you want to dial up the taste. For an easier cleanup, you can skip the bowl and combine everything right in your casserole dish.
Step 3: Transfer to Casserole Dish
Next, spread the mixture evenly into a 9×13 inch casserole dish. This size ensures even baking and enough surface area for that irresistible cheesy crust.
Step 4: Add the Cheese Topping
Sprinkle the remaining shredded mozzarella and cheddar cheeses evenly over the top. This finishing touch creates a golden, bubbly layer that seals in all the deliciousness underneath and makes the casserole visually inviting.
Step 5: Bake and Serve
Pop the casserole into your preheated oven and bake for about 15 minutes until the cheese on top is melted, hot, and bubbly. Let it cool just a bit after removing to allow everything to set, then serve up this satisfying meal to your eager family or friends.
How to Serve Easy Low Carb Chicken Casserole

Garnishes
Adding fresh garnishes can really brighten the dish and add a hint of color and texture. Try sprinkling chopped fresh parsley, chives, or green onions on top after baking. A little sprinkle of crushed red pepper flakes can add an exciting kick if you like a bit of heat.
Side Dishes
This casserole stands strong on its own but pairs delightfully with simple low-carb sides like a crisp garden salad dressed in lemon vinaigrette or roasted garlic cauliflower mash. These sides keep the meal balanced and bring in fresh, crunchy elements to contrast the creamy casserole.
Creative Ways to Present
For a fun twist, serve the casserole in individual ramekins for portion control and a personalized touch. You could also scoop it onto a large platter, garnished with mixed greens, turning it into an inviting centerpiece that’s perfect for casual family dinners or potlucks. The layers and cheese topping look especially tempting when presented with care!
Make Ahead and Storage
Storing Leftovers
Once cooled, cover any leftover Easy Low Carb Chicken Casserole tightly with plastic wrap or transfer it to an airtight container. It stays fresh in the refrigerator for up to 3 days, making it a fantastic option for busy weeknights or lunch prep.
Freezing
This casserole freezes beautifully. Store in a freezer-safe container or wrap tightly with foil and plastic wrap to avoid freezer burn. It will maintain its quality for up to 2 months, so you can enjoy this comforting dish whenever the craving strikes.
Reheating
Reheat leftovers in the oven at 350°F (175°C) until warmed through and the cheese topping is bubbly again. You can also microwave individual portions, though the oven method helps preserve that lovely casserole texture and crispness on top.
FAQs
Can I use a different type of cheese in this recipe?
Absolutely! While mozzarella and cheddar offer a great balance of melt and sharpness, you can experiment with cheeses like Monterey Jack, Gruyere, or even pepper jack for a little extra kick.
Is it necessary to cook the chicken beforehand?
Cooking the chicken first ensures even cooking and proper texture since the casserole bakes quickly. Using leftover roasted or grilled chicken works perfectly.
What if I don’t have ranch dressing?
If ranch dressing isn’t on hand, you can substitute with a mixture of mayonnaise, sour cream, and ranch seasoning mix to get similar creamy tang and flavor.
Can I double this recipe for a larger crowd?
Definitely! This recipe is easy to scale up—just use a larger casserole dish or two pans and adjust baking times as needed until heated through and bubbly.
Is this recipe keto-friendly?
Yes! This Easy Low Carb Chicken Casserole fits well into a keto diet due to its high protein, healthy fats from bacon and cheese, and low carb vegetables like broccoli or spinach.
Final Thoughts
This Easy Low Carb Chicken Casserole is the kind of recipe that feels like a warm, cozy hug after a long day. It’s quick to throw together, packed with flavor, and offers so much versatility, whether you’re meal prepping or serving a comforting dinner. Give it a try and watch it quickly become a beloved staple in your kitchen repertoire.
PrintEasy Low Carb Chicken Casserole Recipe
A delicious and easy low carb chicken casserole packed with tender chicken, crispy bacon, vibrant broccoli or spinach, flavorful ranch dressing, and a melty cheese topping. Perfect for a quick and satisfying low carb meal.
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Total Time: 30 minutes
- Yield: 6 servings 1x
- Category: Main Dish
- Method: Baking
- Cuisine: American
- Diet: Low Carb
Ingredients
For the Casserole:
- 4 cups diced or shredded cooked chicken breast
- 8 slices cooked and chopped bacon
- 5 cups broccoli florets OR 1 pound thawed frozen spinach (well-drained)
- 3 cloves minced garlic
- 1 cup ranch dressing
- 1/2 cup shredded mozzarella cheese
- 1/2 cup shredded cheddar cheese
For the Topping:
- 1/2 cup shredded mozzarella cheese
- 1/2 cup shredded cheddar cheese
Optional:
- 1–3 teaspoons ranch seasoning mix (for added flavor)
Instructions
- Prepare Vegetables: Preheat oven to 375°F (191°C). If using frozen spinach, thaw completely and squeeze out excess water. If using fresh broccoli, boil for 1–2 minutes until bright green, then drain well.
- Combine the Main Ingredients: In a large bowl, combine the diced or shredded chicken, cooked and chopped bacon, prepared vegetables, minced garlic, ranch dressing, shredded mozzarella, and shredded cheddar cheese. Mix everything well. Add ranch seasoning mix if you like extra flavor. You can mix directly in the casserole dish to save dishes.
- Transfer to Casserole Dish: Spoon the mixture into a 9×13 inch (23×33 cm) casserole dish, spreading evenly.
- Add the Cheese Topping: Sprinkle the remaining shredded mozzarella and cheddar cheeses evenly over the top of the casserole.
- Bake and Serve: Bake the casserole in the preheated oven for about 15 minutes, or until the cheese on top is melted, hot, and bubbly. Remove from oven and let it cool slightly before serving.
Notes
- You can substitute broccoli with spinach or vice versa based on your preference.
- To reduce prep time, use leftover cooked chicken and pre-cooked bacon.
- Adjust the amount of ranch seasoning or dressing to taste for more or less flavor.
- Make sure to well-drain thawed spinach to prevent a watery casserole.
- This casserole can be stored in an airtight container in the refrigerator for up to 3 days.
Nutrition
- Serving Size: 1/6 of casserole (approximately 1.5 cups)
- Calories: 320
- Sugar: 2 g
- Sodium: 650 mg
- Fat: 20 g
- Saturated Fat: 8 g
- Unsaturated Fat: 10 g
- Trans Fat: 0 g
- Carbohydrates: 6 g
- Fiber: 2 g
- Protein: 28 g
- Cholesterol: 115 mg
Keywords: low carb chicken casserole, easy chicken casserole, keto chicken bake, broccoli chicken casserole, spinach chicken casserole, ranch chicken casserole

