Easy Low Carb Chicken Casserole Recipe
Introduction
This easy low carb chicken casserole is a flavorful and comforting dish perfect for a satisfying weeknight meal. Packed with tender chicken, crisp bacon, and vibrant vegetables, it’s topped with gooey melted cheese for a deliciously hearty dinner.

Ingredients
- 4 cups diced or shredded cooked chicken breast
- 8 slices cooked and chopped bacon
- 3 cloves minced garlic
- 1 cup ranch dressing
- 1 cup shredded mozzarella cheese (separated)
- 1 cup shredded cheddar cheese (separated)
- 5 cups broccoli florets
- 1 pound thawed frozen spinach (well-drained)
Instructions
- Step 1: Preheat the oven to 375°F (191°C). If using frozen spinach, thaw completely and squeeze out any excess water. If using fresh broccoli, boil for 1–2 minutes until bright green, then drain well.
- Step 2: In a large bowl, combine the cooked chicken, chopped bacon, prepared broccoli and spinach, minced garlic, ranch dressing, and half of the mozzarella and cheddar cheeses. Mix everything thoroughly. For convenience, you can also mix all ingredients directly in the casserole dish.
- Step 3: Transfer the mixture to a 9×13 inch (23×33 cm) casserole dish, spreading it out evenly.
- Step 4: Sprinkle the remaining mozzarella and cheddar cheeses evenly over the top of the casserole.
- Step 5: Bake in the preheated oven for about 15 minutes, or until the cheese on top is hot and bubbly.
- Step 6: Remove the casserole from the oven and let it cool slightly before serving.
Tips & Variations
- For extra flavor, add a teaspoon of ranch seasoning mix to the filling.
- Swap out broccoli for cauliflower florets for a different veggie twist.
- Use smoked gouda or pepper jack cheese to change up the cheese flavor profile.
- To reduce prep time, use pre-cooked and chopped rotisserie chicken.
Storage
Store leftover casserole in an airtight container in the refrigerator for up to 3 days. To reheat, warm individual portions in the microwave or bake in a 350°F (175°C) oven until heated through and bubbly.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use fresh spinach instead of frozen?
Yes, fresh spinach can be used. Sauté it until wilted and drain any excess moisture before adding to the casserole to prevent it from becoming watery.
Is this casserole suitable for meal prep?
Absolutely! This casserole holds up well in the fridge and reheats nicely, making it a great option for preparing meals ahead of time.
PrintEasy Low Carb Chicken Casserole Recipe
This Easy Low Carb Chicken Casserole is a comforting and hearty dish perfect for a healthy dinner. Packed with tender chicken, crispy bacon, fresh broccoli, and spinach, all combined with creamy ranch dressing and melted mozzarella and cheddar cheese. It’s quick to prepare, bakes in under 20 minutes, and delivers a satisfying low-carb meal that the whole family will love.
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Total Time: 30 minutes
- Yield: 6 servings 1x
- Category: Casserole
- Method: Baking
- Cuisine: American
- Diet: Low Carb
Ingredients
Protein and Meat
- 4 cups diced or shredded cooked chicken breast
- 8 slices cooked and chopped bacon
Vegetables
- 5 cups broccoli florets
- 1 pound thawed frozen spinach (well-drained)
- 3 cloves minced garlic
Dairy & Dressings
- 1 cup ranch dressing
- 1 cup shredded mozzarella cheese (separated)
- 1 cup shredded cheddar cheese (separated)
Instructions
- Preheat the oven: Set your oven to 375°F (191°C) to ensure it reaches the right temperature by the time your casserole is ready to bake.
- Prepare the vegetables: If using frozen spinach, thaw completely and squeeze out all excess water to avoid a soggy casserole. For fresh broccoli, briefly boil for 1–2 minutes until bright green, then drain and cool.
- Mix the casserole ingredients: In a large bowl, combine the cooked chicken, chopped bacon, prepared broccoli and spinach, minced garlic, ranch dressing, and half of both the shredded mozzarella and cheddar cheeses. Mix thoroughly to evenly distribute all ingredients. (Optionally, you can combine everything directly in the casserole dish to minimize clean-up.)
- Transfer to casserole dish: Spread the combined mixture evenly in a 9×13 inch (23×33 cm) casserole dish, smoothing out the top.
- Add cheese topping: Sprinkle the remaining shredded mozzarella and cheddar cheese evenly over the top of the casserole to create a golden, bubbly crust.
- Bake the casserole: Place the casserole in the preheated oven and bake for about 15 minutes, or until the cheese on top is hot, melted, and bubbling.
- Cool and serve: Remove the casserole from the oven, let it cool slightly for a few minutes to set, then serve warm and enjoy your low-carb meal!
Notes
- To save time, you can use pre-cooked rotisserie chicken.
- Drain spinach thoroughly to prevent excess moisture in the casserole.
- Fresh broccoli can be steamed or blanched instead of boiled to retain nutrients.
- Optional: Add ranch seasoning mix for extra flavor.
- Leftovers store well in the refrigerator for up to 3 days.
- Reheat in the oven or microwave until warmed through.
Keywords: low carb chicken casserole, chicken broccoli casserole, easy chicken casserole, low carb dinner, keto chicken bake, ranch chicken casserole

