Introduction
If you’re searching for a warm, satisfying dinner that’s low in carbs and high in flavor, this Low Carb Chicken Casserole is a perfect choice. Tender pieces of chicken combine with vibrant broccoli and cauliflower, all smothered in a creamy, cheesy sauce that’s rich without being heavy.
Ideal for busy weeknights, this casserole is easy to make, beginner-friendly, and versatile enough to adjust according to your family’s preferences. Whether you want to boost protein, sneak in extra vegetables, or switch up the flavors with different spices, this recipe has you covered.
With a short prep time and minimal cooking steps, you can have this comforting meal ready in under an hour, leaving your kitchen filled with the inviting aroma of baked cheese and garlic.
Ingredients
Servings: 4
Calories per serving: 450
Main Ingredients
- 2 cups cooked chicken breast, shredded or cubed
- 1 cup broccoli florets
- 1 cup cauliflower florets
- 1 cup shredded cheddar cheese
Creamy Sauce
- 1/4 cup cream cheese, softened
- 1 cup heavy cream
- 1 tablespoon olive oil
- 1 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon paprika
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
Ingredient Insights
- Chicken breast: Lean and protein-packed, chicken makes this casserole satisfying without extra carbs.
- Broccoli & cauliflower: These low-carb vegetables provide fiber, vitamins, and a hearty texture.
- Cheddar & cream cheese: Add creamy, savory richness and melt beautifully in the oven.
- Spices: Garlic, onion, and paprika bring depth of flavor without overpowering the dish.

Equipment
- Large skillet
- Mixing bowls
- 9×13-inch casserole dish or similar
- Spoon or spatula
Instructions
Step 1: Preheat and Sauté Vegetables
- Preheat your oven to 375°F (190°C).
- In a large skillet over medium heat, add 1 tablespoon olive oil.
- Sauté broccoli and cauliflower florets for about 5 minutes, until slightly tender but still crisp.
Step 2: Combine Chicken and Vegetables
- In a large mixing bowl, combine the cooked chicken with the sautéed broccoli and cauliflower.
- Stir gently to mix evenly.
Step 3: Prepare Creamy Sauce
- In a separate bowl, combine:
- 1/4 cup cream cheese
- 1 cup heavy cream
- 1 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon paprika
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
- Mix until smooth and creamy, ensuring no lumps remain.
Step 4: Assemble the Casserole
- Pour the cream mixture over the chicken and vegetables.
- Stir until everything is well-coated in the creamy sauce.
- Transfer the mixture into a greased casserole dish, spreading it out evenly.
- Sprinkle 1 cup shredded cheddar cheese evenly over the top.
Step 5: Bake and Serve
- Bake in the preheated oven for 20–25 minutes, or until the cheese is golden and bubbly.
- Remove from the oven and let the casserole rest for a few minutes before serving.
Tips for Perfect Low Carb Chicken Casserole
- Vegetable variation: Add a handful of fresh spinach or diced bell peppers for extra color and nutrients.
- Protein swap: Use turkey breast instead of chicken for a slightly different flavor profile.
- Cheese blend: Mix cheddar with mozzarella or gouda for a more melty and colorful casserole.
- Flavor boost: Stir in 1 teaspoon Dijon mustard to the cream mixture for a subtle tang.
- Storage: Leftovers can be stored in an airtight container in the fridge for up to 3 days.
Nutritional Information (per serving)
- Calories: 450 kcal
- Protein: 35 g
- Fat: 32 g
- Carbohydrates: 6 g
- Fiber: 2 g
- Sugar: 2 g
- Sodium: 450 mg
This casserole is low in carbs, high in protein, and packed with vitamins and minerals from vegetables, making it perfect for weight management, muscle maintenance, or a balanced diet.
Print
Low Carb Chicken Casserole: A Comforting, Healthy Dinner
- Total Time: 45 minutes
- Yield: 4 servings
Description
This low carb chicken casserole combines tender chicken, vibrant veggies, and a creamy cheese sauce that warms you from the inside out. Perfect for a comforting dinner!
Ingredients
- 2 cups cooked chicken breast, shredded or cubed
- 1 cup broccoli florets
- 1 cup cauliflower florets
- 1 cup cheddar cheese, shredded
- 1/4 cup cream cheese, softened
- 1 cup heavy cream
- 1 tablespoon olive oil
- 1 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon paprika
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
Instructions
- Preheat your oven to 375°F (190°C).
- In a large skillet over medium heat, add olive oil. Sauté broccoli and cauliflower for about 5 minutes until they start to soften.
- In a large mixing bowl, combine cooked chicken, sautéed broccoli, and cauliflower.
- In a separate bowl, combine cream cheese, heavy cream, garlic powder, onion powder, paprika, salt, and black pepper. Mix until smooth.
- Pour the cream mixture over the chicken and vegetables, stirring until everything is well-coated.
- Transfer the mixture into a greased casserole dish, spreading it out evenly.
- Sprinkle shredded cheddar cheese evenly on top of the casserole.
- Bake in the preheated oven for 20-25 minutes, or until the cheese is golden and bubbly.
- Remove from oven and let sit for a few minutes before serving.
Notes
- You can substitute turkey for chicken if preferred.
- Add a handful of fresh spinach for extra nutrition.
- Include a teaspoon of Dijon mustard in the cream mixture for more flavor.
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
- Use a blend of different cheeses to make it more colorful.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Main Dishes
- Method: Bake
- Cuisine: American
Frequently Asked Questions (FAQ)
1. Can I make this ahead of time?
Yes! Prepare the mixture and store it in the casserole dish covered in the fridge. Bake fresh when ready to serve.
2. Can I freeze this casserole?
Yes. Assemble the casserole, cover tightly with foil, and freeze for up to 2 months. Thaw in the fridge overnight before baking.
3. Can I use frozen vegetables?
Absolutely. Just thaw and drain excess water before sautéing to avoid a watery casserole.
4. How do I make it extra cheesy?
Sprinkle extra cheese on top before baking, or mix a little into the creamy sauce for extra richness.
5. Can I make it dairy-free?
Yes, substitute cream cheese with vegan cream cheese, heavy cream with coconut cream, and cheddar with dairy-free cheese.
Serving Suggestions
- Serve with a simple green salad for added freshness.
- Pair with garlic roasted mushrooms or zucchini noodles for extra low-carb vegetables.
- Enjoy as a meal prep option by dividing into single-serve containers for the week.
This Low Carb Chicken Casserole is a delicious, wholesome, and easy-to-make meal that’s perfect for busy families or anyone looking to eat healthier without sacrificing flavor.