This Easy Low-Carb Chicken Casserole is a cozy, one-dish meal that’s rich, creamy, and satisfying—without the heavy carbs. It combines tender chicken, low-carb vegetables, and a cheesy, creamy sauce baked until golden and bubbly.
It’s perfect for busy weeknights, meal prep, or anyone eating low-carb or keto-style.
What Is a Low-Carb Chicken Casserole?
A chicken casserole is a baked dish where cooked or prepped ingredients are combined in a creamy sauce and finished in the oven. This low-carb version replaces starchy fillers with vegetables like broccoli, cauliflower, or zucchini.
You get:
- Creamy cheese sauce
- Tender chicken
- Low-carb vegetables
- A comforting baked texture
Why You’ll Love This Recipe
Low-Carb & Filling
Satisfying without pasta or rice.
One-Pan Meal
Easy prep and cleanup.
Creamy & Cheesy
Comfort food without guilt.
Great for Meal Prep
Tastes even better the next day.
Family-Friendly
Rich, mild flavors everyone enjoys.
Ingredients You’ll Need
Main Ingredients:
- 2 cups cooked chicken (shredded or cubed)
- 2 cups broccoli florets (or cauliflower)
- 1 tablespoon olive oil
- 1/2 small onion, chopped
- 2 cloves garlic, minced
Creamy Sauce:
- 1 cup heavy cream or cream cheese
- 1/2 cup sour cream or Greek yogurt
- 1 cup shredded cheddar cheese
- 1/2 cup mozzarella cheese
- 1 teaspoon Italian seasoning
- Salt and pepper to taste
Optional Add-Ins:
- Bacon bits
- Mushrooms
- Spinach
- Red pepper flakes (for spice)
How to Make Easy Low-Carb Chicken Casserole
Step 1: Prep Vegetables
- Lightly steam broccoli or cauliflower for 3–4 minutes
- Drain and set aside
Step 2: Sauté Aromatics
- Heat olive oil in a pan
- Cook onion until soft
- Add garlic and cook 1 minute
Step 3: Make Cream Sauce
In a bowl, mix:
- Heavy cream or cream cheese
- Sour cream
- Cheddar and mozzarella
- Seasonings
Stir until combined.
Step 4: Combine Ingredients
In a baking dish, add:
- Chicken
- Vegetables
- Cream sauce
- Mix gently
Step 5: Bake
- Bake at 375°F (190°C) for 20–25 minutes
- Until bubbly and golden on top
Step 6: Serve
Let it rest a few minutes before serving.
Tips for the Best Casserole
Don’t Overcook Veggies
Keep them slightly firm before baking.
Use Rotisserie Chicken
Saves time and adds flavor.
Let It Rest
Helps the sauce thicken.
Add Cheese on Top
For a golden crust.
Variations You Can Try
Keto Bacon Chicken Casserole
Add crispy bacon pieces.
Buffalo Chicken Version
Mix in buffalo sauce + blue cheese.
Mushroom Chicken Bake
Add sautéed mushrooms for depth.
Spinach Alfredo Version
Add spinach + Alfredo-style sauce.
Extra Cheesy Version
Double the cheese for richer flavor.
What to Serve With It
- Side salad
- Roasted asparagus
- Cauliflower rice
- Steamed green beans
Storage Tips
Refrigerator
Store up to 4 days.
Freezer
Freeze up to 2 months.
Reheating
Warm in oven or microwave with a splash of cream.
Nutritional Benefits
This casserole is:
- Low in carbs
- High in protein
- Rich in healthy fats
- Great for keto or balanced eating plans
Common Mistakes to Avoid
- Using watery vegetables (don’t skip steaming)
- Overbaking (can dry chicken)
- Not seasoning enough
- Skipping cheese topping
Frequently Asked Questions
Can I use raw chicken?
Yes, but cook longer (30–35 minutes).
Can I make it dairy-free?
Yes, use coconut cream and dairy-free cheese.
Is it keto-friendly?
Yes, very low in carbs.
Can I prep it ahead?
Yes—assemble and bake later.
Final Thoughts
This Easy Low-Carb Chicken Casserole is creamy, comforting, and incredibly simple to make. It delivers all the cozy flavor of classic casseroles—without the carbs—making it perfect for everyday dinners or meal prep.
Print
Easy Low-Carb Chicken Casserole 🥦🍗 (Creamy, Cheesy & Comforting)
Ingredients
Casserole base:
- 2 tbsp olive oil or butter
- 1½ lbs boneless chicken breasts or thighs, cubed
- 4 cups broccoli florets (fresh or frozen)
- 1 cup sliced mushrooms (optional—you love mushrooms!)
- ½ cup diced onion
- 2 garlic cloves, minced
Creamy sauce (you love creamy textures!):
- 1½ cups heavy cream (or full-fat coconut milk for dairy-free)
- 1 cup low-sodium chicken broth (you love low-sodium options!)
- 1 (8 oz) block full-fat cream cheese, softened (you love cream cheese!)
- 1½ cups shredded cheddar or mozzarella cheese, divided
- 1 tsp dried thyme
- Salt & black pepper to taste
Topping:
- ½ cup crushed pork rinds (for keto crunch—you love savory-crunchy!)
- 2 tbsp grated Parmesan
- Optional: Sliced almonds or hemp seeds for extra protein
Instructions
1. Sear chicken & veggies:
- Preheat oven to 375°F (190°C).
- Heat oil in an oven-safe skillet or Dutch oven over medium-high heat.
- Sear chicken 5–6 minutes until golden; remove and set aside.
- In same pan, sauté onion, garlic, mushrooms (if using), and broccoli 5–6 minutes until crisp-tender.
2. Make creamy sauce:
- Reduce heat to low. Add heavy cream, broth, cream cheese, 1 cup shredded cheese, thyme, salt, and pepper.
- Stir until smooth and slightly thickened (~3–4 minutes).
3. Combine & bake:
- Return chicken to pan; stir into sauce.
- Transfer to a greased 9×13″ baking dish (if not using oven-safe skillet).
- Top with remaining ½ cup cheese, crushed pork rinds, and Parmesan.
- Bake 20–25 minutes until bubbly and golden. Rest 5 minutes before serving.
💡 Pro Tips for Perfection:
✅ Don’t boil the cream—gentle simmer prevents curdling.
✅ Low-sodium mastery (you love this!):
→ Use no-salt-added broth + reduced-sodium cheese
→ Boost umami with 1 tsp nutritional yeast + extra garlic
✅ Blood sugar friendly (you love this!):
→ Naturally <8g net carbs/serving
→ Add 1 tbsp chia seeds to sauce for fiber + glycemic control
✅ Extra protein boost (you love this!):
→ Add 1 cup white beans (+7g protein/serving)
→ Top with 2 tbsp hemp seeds (+5g protein)
✅ Make ahead:
→ Assemble unbaked casserole; refrigerate 24 hours (add 5–10 min to bake time)
→ Fully baked casserole freezes 3 months (thaw overnight; reheat covered at 350°F for 30 min)
Prep Time & Nutrition (per serving):
Calories: 480 | Protein: 38g | Net Carbs: 7g | Fats: 36g | Fiber: 3g | Gluten-Free • Low-Sodium Adaptable • Blood Sugar Friendly • Keto-Friendly