Easy Low Carb Chicken Casserole Recipe
If you are on the hunt for a dish that balances comforting flavor with health-conscious ingredients, then this Easy Low Carb Chicken Casserole will quickly become your new favorite. It’s packed with tender chicken, crispy bacon, vibrant broccoli or spinach, and melty cheese melded together with creamy ranch dressing—all baked to bubbly perfection. Not only does it satisfy your craving for a hearty meal, but it also keeps carbs low, making it perfect for those watching their carb intake without sacrificing taste or warmth at the dinner table.

Ingredients You’ll Need
Every ingredient in this casserole has a role that’s simple but essential to creating a dish full of flavor, texture, and inviting colors. From protein to veggies to cheese, each component elevates this easy low carb chicken casserole without complicating your prep time.
- 4 cups diced or shredded cooked chicken breast: The lean protein base that keeps this casserole satisfying and hearty.
- 8 slices cooked and chopped bacon: Adds a salty crunch that perfectly contrasts tender chicken and creamy sauce.
- 5 cups broccoli florets OR 1 pound thawed frozen spinach (well-drained): Adds freshness and color with nutritious green veggies that keep carbs low.
- 3 cloves minced garlic: Infuses the entire dish with irresistible aromatic warmth.
- 1 cup ranch dressing: Brings creamy tang and herbaceous notes that tie everything together.
- 1/2 cup shredded mozzarella cheese (for the mixture): Melts smoothly to add gooey texture.
- 1/2 cup shredded cheddar cheese (for the mixture): Gives a sharp, rich flavor to balance the creaminess.
- 1/2 cup shredded mozzarella cheese (for the topping): Creates a golden, bubbly crust as it bakes.
- 1/2 cup shredded cheddar cheese (for the topping): Adds a cheesy, slightly crispy top layer.
- Optional 1-3 teaspoons ranch seasoning mix: For anyone wanting an extra punch of ranch flavor.
How to Make Easy Low Carb Chicken Casserole
Step 1: Prepare Vegetables
Start by prepping your greens. If you go with broccoli, boiling it for just a minute or two until it’s vibrant green will give you the perfect texture—tender yet with a bite. If you prefer spinach, make sure to thaw it completely and squeeze out any excess water so your casserole doesn’t get soggy. Don’t forget to preheat your oven to 375°F (191°C) so it’s ready when the mixture is assembled.
Step 2: Combine the Main Ingredients
This step is all about bringing the stars together in one big bowl—or directly in your casserole dish if you want fewer dishes. Mix the diced chicken, crispy bacon, prepared veggies, minced garlic, ranch dressing, and the mozzarella and cheddar cheeses for the filling. If you like an extra flavorful twist, go ahead and sprinkle in some ranch seasoning mix. The combination of creamy, meaty, and vibrant elements really brings this casserole to life.
Step 3: Transfer to Casserole Dish
Once everything is well combined, transfer the mixture to a 9×13 inch casserole dish. Spreading it evenly helps it cook uniformly and makes sure every bite gets a little bit of all the amazing components inside.
Step 4: Add the Cheese Topping
Sprinkle the remaining shredded mozzarella and cheddar cheese evenly over the top. This step is critical because it creates that irresistible golden, bubbly crust that makes casseroles so comforting and satisfying.
Step 5: Bake and Serve
Bake your Easy Low Carb Chicken Casserole for about 15 minutes until the top is hot and bubbling with melty cheese glory. Once done, let it cool for a few minutes to set so it slices beautifully. Then serve it up and enjoy all those flavors mingling on your plate.
How to Serve Easy Low Carb Chicken Casserole

Garnishes
To take your presentation up a notch, sprinkle freshly chopped parsley or green onions on top. They add a pop of color and freshness that complements the rich casserole perfectly. A light drizzle of sour cream or an extra dollop of ranch dressing on the side won’t hurt, either.
Side Dishes
This casserole stands strong on its own but pairs wonderfully with fresh salads like a crisp Caesar or mixed greens tossed in a lemon vinaigrette. If you want to add more texture, roasted or sautéed low-carb vegetables such as asparagus or zucchini ribbons make ideal complements without adding extra carbs.
Creative Ways to Present
For a crowd-pleasing twist, scoop the casserole into small ramekins for individual servings. It also works beautifully as a filling inside lettuce wraps or atop cauliflower rice for an even lower-carb dinner format. These small changes keep the dish exciting and versatile.
Make Ahead and Storage
Storing Leftovers
Leftover Easy Low Carb Chicken Casserole keeps well in an airtight container in the fridge for up to 3-4 days. Make sure it’s cooled completely before sealing to keep all the flavors fresh without moisture buildup.
Freezing
If you want to make this casserole in advance, it’s freezer-friendly! Assemble the dish completely, then cover tightly with plastic wrap and foil before freezing. It can be frozen for up to 2 months, giving you a quick and satisfying meal whenever you need it.
Reheating
To reheat, thaw the casserole overnight in the fridge if frozen, then warm it up in the oven at 350°F (175°C) until heated through and bubbly—about 20 minutes. Alternatively, you can microwave single servings, but the oven will help maintain that delightful cheesy crust.
FAQs
Can I use other vegetables besides broccoli or spinach?
Absolutely! While broccoli and spinach are ideal for keeping carbs low and flavor balanced, you can swap in cauliflower florets, kale, or even zucchini. Just be sure to prepare them similarly—steamed or well-drained—to maintain the right texture.
Is this casserole suitable for meal prep?
Yes, it’s perfect for meal prep. You can assemble it ahead of time and refrigerate before baking, or freeze it fully prepared and bake later. It reheats well, making it great for busy weekday lunches or dinners.
Can I use raw chicken instead of cooked?
This recipe calls for cooked chicken to keep things easy and speedy. If you want to use raw chicken, make sure to dice it small and increase the baking time to ensure it cooks fully—but be aware the texture and moisture levels may differ slightly.
What if I don’t have ranch dressing? What can I use instead?
If ranch dressing isn’t on hand, you can substitute with a mixture of sour cream and dry ranch seasoning or even a combination of mayonnaise and herbs. The key is to keep that creamy, tangy flavor that ranch brings to the dish.
Is this dish keto-friendly?
Yes, this casserole fits well into a ketogenic diet because it’s low in carbohydrates and high in fats and protein—especially with the cheese and bacon. Just be sure to check your ranch dressing ingredients to avoid added sugars.
Final Thoughts
This Easy Low Carb Chicken Casserole is truly a recipe to keep close for those moments when you want comfort food without the carb overload. It’s simple to pull together, packed with flavor, and endlessly adaptable to your favorite veggies and cheeses. Give it a try—you just might find it’s the next meal you crave on repeat!
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Easy Low Carb Chicken Casserole Recipe
- Total Time: 30 minutes
- Yield: 6 servings 1x
- Diet: Low Carb
Description
This easy low carb chicken casserole is a hearty and flavorful dish combining tender chicken breast, crispy bacon, fresh broccoli or spinach, and a rich blend of cheeses with ranch dressing. Perfect for a comforting weeknight dinner that’s both satisfying and guilt-free.
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 your oven to 375°F (191°C). If using frozen spinach, thaw it completely and squeeze out excess water. If using fresh broccoli, boil it for 1 to 2 minutes until bright green, then drain thoroughly.
- Combine the Main Ingredients: In a large bowl, mix together the cooked chicken, chopped bacon, prepared vegetables, minced garlic, ranch dressing, and half of the shredded mozzarella and cheddar cheeses. Stir well to combine all ingredients evenly. For extra flavor, add 1 to 3 teaspoons of ranch seasoning mix if desired. Alternatively, you may mix everything directly in the casserole dish to minimize washing up.
- Transfer to Casserole Dish: Pour the mixture into a 9×13 inch (23×33 cm) casserole dish, spreading it out evenly.
- Add the Cheese Topping: Sprinkle the remaining shredded mozzarella and cheddar cheeses evenly over the top of the casserole for a deliciously cheesy crust.
- Bake and Serve: Bake the casserole in the preheated oven for about 15 minutes, or until the cheese on top is hot, bubbly, and slightly golden. Remove from oven, allow to cool slightly, then serve warm.
Notes
- You can substitute broccoli with well-drained frozen spinach according to your preference.
- Boiling broccoli briefly ensures it stays bright and tender without becoming mushy.
- Using pre-cooked chicken and bacon saves preparation time.
- For a richer taste, feel free to add ranch seasoning mix to the casserole mix.
- This casserole reheats well and can be stored in the refrigerator for up to 3 days.
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Category: Main Course
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1/6 of casserole
- Calories: 350 kcal
- Sugar: 2 g
- Sodium: 700 mg
- Fat: 22 g
- Saturated Fat: 9 g
- Unsaturated Fat: 11 g
- Trans Fat: 0 g
- Carbohydrates: 6 g
- Fiber: 2 g
- Protein: 35 g
- Cholesterol: 110 mg
Keywords: low carb chicken casserole, easy chicken casserole, broccoli chicken casserole, low carb dinner, baked chicken casserole