Some nights you just want dinner to be simple. No long prep. No sink full of dishes. Just warm, cozy food that everyone actually eats.
That’s where this easy low carb chicken casserole comes in. It’s creamy, cheesy, and full of comforting flavor. Best of all, it’s simple enough for a busy weeknight. You toss a few ingredients into a baking dish, slide it into the oven, and let it do its thing.
This recipe works great for families who want a low carb dinner that still feels hearty. It uses tender chicken, creamy sauce, and melted cheese to create a rich, satisfying meal. If you love cozy casseroles but want to keep carbs low, this easy low carb chicken casserole will quickly become a favorite at your dinner table.
What Makes This a Favorite
There are many reasons people love this easy low carb chicken casserole.
First, it’s very easy to make. You don’t need fancy cooking skills. If you can mix ingredients and turn on an oven, you can make this dish.
Second, it’s a comfort food classic. Creamy sauce, tender chicken, and melted cheese create that warm, cozy feeling we all love.
Third, it fits into a low carb lifestyle. There are no heavy pasta layers or starchy fillers. Just simple ingredients that keep things light but satisfying.
Another bonus? Minimal cleanup. You mix everything in one bowl and bake it in one dish. That means fewer dishes after dinner. Honestly, that might be the best part.
Simple Ingredients List
This recipe uses simple ingredients you can find in almost any kitchen.
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Cooked chicken breast – The main protein. It keeps the casserole filling and hearty.
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Cream cheese – Adds rich creaminess and helps create a smooth sauce.
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Sour cream – Gives the casserole a tangy flavor and creamy texture.
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Shredded cheddar cheese – Melts beautifully and adds that classic cheesy flavor.
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Broccoli florets – Adds color, texture, and nutrients while keeping carbs low.
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Garlic powder – Boosts flavor without extra prep.
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Onion powder – Adds savory depth.
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Salt and pepper – Simple seasoning that ties everything together.
These ingredients work together to make a casserole that feels indulgent but still fits a low carb dinner plan.

How This Comes Together
Making this easy low carb chicken casserole takes just a few simple steps.
Step 1: Preheat the oven
Set your oven to 375°F (190°C). Lightly grease a casserole dish so nothing sticks later.
Step 2: Prepare the chicken
Use cooked chicken breast for this recipe. You can shred it or chop it into small pieces. Rotisserie chicken works great here. FYI, it also saves time.
Step 3: Mix the creamy base
In a large bowl, combine cream cheese, sour cream, garlic powder, onion powder, salt, and pepper. Stir until smooth and creamy.

Step 4: Add the chicken and broccoli
Fold the cooked chicken and broccoli into the creamy mixture. Stir until everything is well coated.
Step 5: Transfer to baking dish
Spread the mixture evenly into the prepared casserole dish. Smooth the top with a spoon.
Step 6: Add the cheese
Sprinkle shredded cheddar cheese over the top. Don’t be shy here. That golden cheese layer makes the casserole extra cozy.

Step 7: Bake
Bake for 25–30 minutes. The cheese should melt and turn slightly golden.
Step 8: Let it rest
Let the casserole sit for 5 minutes before serving. This helps the sauce thicken and makes it easier to scoop.
Dinner is ready.

A Few Easy Mistakes to Skip
Even easy recipes can go wrong sometimes. Here are a few common mistakes.
Using too much liquid.
Broccoli releases water while baking. If it’s very wet before adding it to the casserole, the dish may become runny.
Not softening the cream cheese.
Cold cream cheese does not mix well. Let it sit at room temperature for a few minutes first.
Overbaking the casserole.
Too much time in the oven can dry out the chicken. Once the cheese melts and bubbles, it’s ready.
Skipping seasoning.
Low carb recipes still need flavor. Don’t forget salt and pepper.
Ways to Change It Up
One of the best things about this easy low carb chicken casserole is how flexible it is.
You can easily switch things around depending on what you have in the fridge.
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Swap broccoli for cauliflower florets.
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Add mushrooms for extra flavor.
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Use mozzarella or Monterey Jack cheese instead of cheddar.
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Add cooked bacon pieces for a smoky flavor.
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Mix in spinach for extra greens.
These small changes keep the recipe interesting while staying low carb.
Before You Start
A few quick tips can make cooking smoother.
Use cooked chicken to save time. Leftover chicken works perfectly here.
Cut broccoli into small florets so it cooks evenly.
Measure ingredients before mixing. This helps the process move faster.
Also, preheat the oven first. That way the casserole goes straight in once everything is ready.

Small Details That Matter
Little details can make a big difference in flavor and texture.
Use freshly shredded cheese.
Pre-shredded cheese sometimes contains anti-caking powder that affects melting.
Season the mixture well.
Low carb meals still need bold flavor.
Let the casserole rest before serving.
This helps everything set and improves the texture.
These small steps help the casserole turn out creamy and delicious every time.
What to Serve With It
This casserole already feels like a full meal. But a few simple sides can round it out.
Here are a few great options:
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Fresh green salad with vinaigrette
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Roasted zucchini
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Cauliflower rice
These sides keep the meal light while adding extra texture and flavor.
Make It Last Longer
Leftovers store very well, which makes this recipe perfect for meal prep.
Place leftovers in an airtight container and refrigerate for up to 4 days.
To reheat, warm a portion in the microwave for about 1–2 minutes. Stir halfway through.
You can also reheat it in the oven at 350°F for about 10 minutes.
This casserole also freezes well. Store in a freezer-safe container for up to 2 months.
Reader Questions on Low Carb Chicken Casserole
Can I use rotisserie chicken?
Yes. Rotisserie chicken works great and saves time. Just shred it and add it to the mixture.
Can I make this casserole ahead of time?
Absolutely. Assemble everything earlier in the day and store it in the fridge. Bake it when ready.
Is this casserole keto-friendly?
Yes, it fits most keto plans because it’s low in carbs and high in protein and fat.
Can I add more vegetables?
Of course. Mushrooms, spinach, or cauliflower work well in this dish.
Why is my casserole watery?
Broccoli may release extra moisture. Lightly cook or drain it before adding.
Can I freeze leftovers?
Yes. Freeze in an airtight container and reheat when needed.
Final Thoughts on Low Carb Chicken Casserole
This easy low carb chicken casserole proves that simple meals can still feel special.
It’s creamy, comforting, and perfect for busy weeknights. You only need a few ingredients and one baking dish. That means less cooking stress and fewer dishes later.
It also works well for meal prep, family dinners, or cozy nights at home. The rich sauce and melted cheese make it feel indulgent, even though it’s low carb.
If you’re looking for a simple dinner that everyone will enjoy, this easy low carb chicken casserole is a great recipe to keep on repeat.

Easy Low Carb Chicken Casserole
Equipment
- Large mixing bowl
- Spoon or spatula
- Casserole baking dish
- Oven
Ingredients
- 2 cups cooked chicken breast shredded
- 4 oz cream cheese softened
- ½ cup sour cream
- 1 cup shredded cheddar cheese
- 1 cup broccoli florets
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper to taste
Instructions
- Preheat oven to 375°F.
- Grease a casserole baking dish.
- In a bowl, mix cream cheese, sour cream, garlic powder, onion powder, salt, and pepper.
- Add chicken and broccoli. Stir well.
- Spread mixture into the baking dish.
- Top with shredded cheddar cheese.
- Bake for 25–30 minutes until cheese melts and bubbles.
- Let rest for 5 minutes before serving.
Notes
Nutritional Facts (Approximate per serving)
Calories: 320Protein: 28g
Fat: 22g
Carbohydrates: 5g





