Why This Low Carb Casserole Is a Game-Changer
There’s something deeply comforting about a creamy, cheesy casserole bubbling away in the oven. Now imagine all that comfort—but without the carb overload. That’s exactly what this Creamy Low Carb Chicken Casserole delivers.
Perfectly golden on top, rich and savory inside, this dish feels indulgent but keeps things clean with low-carb ingredients and high-protein satisfaction. It’s everything we love about comfort food, reimagined to fit a keto or low-carb lifestyle.
Whether you’re juggling weeknight chaos, meal prepping for the week ahead, or simply craving something hearty and warm, this recipe is a total win. It’s fuss-free, family-friendly, and ridiculously satisfying.
You don’t need fancy ingredients or complicated steps. Just wholesome staples—like chicken, cream cheese, and a handful of veggies—come together in one dish that’s hearty, filling, and flexible.
Bonus? It freezes like a dream and reheats beautifully. So double the batch—you’ll thank yourself later.
What Is a Creamy Low Carb Chicken Casserole?
This casserole is comfort food with a low-carb twist. At its core, it’s a one-dish baked meal made with shredded or chopped chicken, a rich and creamy base, melty cheese, and a medley of low-carb vegetables.
No pasta. No breadcrumbs. No unnecessary carbs.
Instead, it’s loaded with wholesome, high-protein chicken, creamy ingredients like full-fat cream cheese or sour cream, and nutrient-packed veggies like broccoli, cauliflower, or spinach.
The result? A cozy, bubbly, satisfying dish that doesn’t spike your blood sugar—and still keeps you full for hours.
It’s the kind of recipe that fits neatly into keto, low-carb, or gluten-free lifestyles, but still feels decadent. Even carb-lovers won’t miss the noodles.
Benefits of This Recipe – Beyond Just Low Carb
There are so many reasons to keep this creamy chicken casserole in your regular rotation:
-
Keto- and family-approved: It’s rich, hearty, and crowd-pleasing—even picky eaters dive in.
-
Meal-prep friendly: Whip it up on Sunday and enjoy leftovers all week.
-
Freezer-friendly: Store a portion in the freezer for busy nights—no takeout needed.
-
Customizable: Use what you have on hand—swap veggies, switch cheeses, and make it your own.
-
Nutritious and filling: Packed with protein and healthy fats, low in carbs, and naturally gluten-free.
Pro tip: This is the perfect replacement when you’re craving classic casseroles made with pasta or rice—but want to skip the carbs. The creamy texture and cheesy goodness check every comfort food box.
Ingredients Breakdown – Creamy + Clean
Let’s break down what makes this casserole so creamy, craveable, and keto-friendly:
Protein
-
Chicken breast or thigh – cooked and shredded or chopped.
-
You can use rotisserie chicken to save time, or quickly sauté chopped thighs for extra flavor and juiciness.
Cream Base
-
Cream cheese – the star of the show; it creates the thick, creamy texture.
-
Sour cream or heavy cream – balances the tang and richness.
-
Optional: Add a spoonful of Dijon mustard for extra depth.
Cheese
-
Shredded cheddar – bold and melty.
-
Mozzarella – great for gooeyness.
-
Parmesan – adds saltiness and crispness on top.
Low-Carb Vegetables
-
Broccoli florets
-
Cauliflower
-
Spinach
-
Zucchini
-
Mushrooms
Lightly cook watery veggies like zucchini or mushrooms first so your casserole isn’t soupy.
Flavor Boosters
-
Garlic powder
-
Onion powder
-
Paprika
-
Salt & pepper
-
Dijon mustard (optional but fantastic)
Optional Add-Ins
-
Crispy bacon
-
Chopped jalapeños
-
Sliced olives
-
Fresh herbs like thyme or parsley
Tip: For best results, use full-fat dairy products—they make the sauce rich and help you stay keto. And don’t underestimate the time-saving magic of pre-cooked chicken when you need dinner fast.
Equipment You’ll Need
No special tools required—just basic kitchen staples:
-
Large mixing bowl
-
9×13 casserole dish or baking dish
-
Sturdy spoon or spatula
-
Optional: Skillet if cooking chicken from scratch
-
Foil (if you want to cover while baking for a softer top)
How to Make Creamy Low Carb Chicken Casserole – Step-by-Step
Ready to bring it all together? Here’s how to make it:
-
Cook or shred chicken – Use pre-cooked or sauté fresh chopped thighs or breasts.
-
Prep veggies – Lightly sauté any watery veggies like mushrooms or zucchini.
-
Mix the base – In a bowl, combine softened cream cheese, sour cream or heavy cream, seasonings, and cooked chicken.
-
Fold in veggies and half the cheese – Stir everything until well coated.
-
Transfer to baking dish – Spread evenly into a greased casserole dish.
-
Top with remaining cheese – Add shredded cheese over the top for that golden crust.
-
Bake at 375°F for 25–30 minutes – Until hot, bubbly, and golden brown.
-
Cool for 5 minutes before serving – This helps it firm up and makes serving easier.
Optional: Garnish with chopped parsley or crispy bacon just before serving for added flair.
Flavor Variations & Customizations
This casserole is the blank canvas of low-carb comfort food. Once you master the base recipe, you can switch it up in endless ways to keep things exciting.
Flavor twists to try:
-
Buffalo Chicken: Add buffalo sauce and blue cheese crumbles, top with scallions.
-
Tex-Mex: Mix in taco seasoning, diced green chilies, and top with shredded pepper jack cheese and cilantro.
-
Tuscan Style: Add sun-dried tomatoes, sautéed spinach, and a pinch of Italian seasoning.
-
Ranch & Bacon: Mix in ranch seasoning and top with crispy bacon bits and extra cheddar.
-
Green Chile Casserole: Use green chile cream cheese and add Monterey Jack cheese with chopped roasted green chilies.
Protein swaps:
-
Turkey, ground chicken, or leftover rotisserie chicken all work beautifully.
-
For a pescatarian twist, use flaked canned salmon or cooked shrimp.
Vegetable add-ins:
-
Roasted red peppers, chopped kale, or even artichoke hearts can bulk it up without adding carbs.
These easy variations make it simple to tailor the dish to your taste buds, dietary needs, or what you have in the fridge.
Serving Suggestions – Pair It Right
While this casserole is a complete meal on its own, pairing it with the right low-carb sides elevates your dinner game.
Low-carb side ideas:
-
Simple side salad with lemon vinaigrette
-
Roasted asparagus or green beans
-
Keto garlic bread or almond flour biscuits
-
Cauliflower rice or zucchini noodles (zoodles)
Topping ideas:
-
Fresh herbs like parsley or chives
-
A dollop of sour cream or a swirl of avocado crema
-
Crunchy topping: crushed pork rinds or toasted almond slivers before baking
This dish also makes a fantastic potluck item. Just scoop it into a serving dish and top with extra cheese for that golden, bubbly wow factor.
Storage, Freezing & Reheating Tips
One of the biggest wins with this casserole? It stores and reheats like a dream.
Refrigerator:
-
Store leftovers in an airtight container for up to 4 days.
-
Reheat individual portions in the microwave (1-2 minutes), or reheat the whole dish in a 350°F (175°C) oven until hot and bubbly.
Freezer:
-
Let the casserole cool completely, then cover tightly with foil and plastic wrap.
-
Freeze for up to 3 months.
-
To reheat from frozen, thaw overnight in the fridge, then bake at 350°F for 20–25 minutes or until heated through.
Meal prep tip: Portion into individual containers before freezing—perfect for grab-and-go keto lunches!
Avoid freezing if you’ve used zucchini or spinach as they can release water when thawed. Stick with cauliflower, broccoli, or mushrooms for freezer-friendly results.
FAQs – All Your Casserole Questions Answered
Q: Can I make this ahead of time?
A: Yes! Assemble the casserole, cover it tightly, and refrigerate for up to 24 hours before baking. Add 5–10 extra minutes of bake time if cooking straight from the fridge.
Q: Is this casserole keto-friendly?
A: Absolutely. With high-fat ingredients like cheese, cream cheese, and full-fat sour cream—and low-carb veggies—it fits perfectly into a keto or low-carb lifestyle.
Q: What if I don’t eat dairy?
A: You can try dairy-free cream cheese (like Kite Hill) and shredded vegan cheese alternatives. Use coconut cream or almond milk-based creamers instead of heavy cream or sour cream.
Q: Can I make this casserole in a slow cooker?
A: Yes! Mix all ingredients, cook on LOW for 3–4 hours, and sprinkle cheese on top in the final 15 minutes to melt.
Q: How do I keep the casserole from getting watery?
A: Sauté veggies like mushrooms or zucchini first to reduce moisture. You can also mix in a tablespoon of coconut flour or almond flour for thickening.
Q: Can I use canned chicken?
A: Yes, it’s a great shortcut. Drain well and shred before using.
Final Thoughts – Comfort Food Without the Carbs
This Creamy Low Carb Chicken Casserole is proof that you don’t have to sacrifice flavor for nutrition. It’s hearty, satisfying, and endlessly versatile—perfect for busy weeknights, cozy Sundays, or even impressing guests at a potluck.
Whether you’re going full keto or simply cutting back on carbs, this casserole brings the comfort without the carb crash. Plus, it’s one of those rare dishes that everyone at the table—low-carb or not—can enjoy with zero complaints.
Make it your own, double it for meal prep, or freeze a pan for later. Once you try it, this one-dish wonder just might earn a permanent spot in your recipe rotation.

Creamy Low Carb Chicken Casserole
Equipment
- Large mixing bowl
- 9x13 baking dish or casserole dish
- Skillet (optional, for cooking veggies or chicken)
- Spatula or wooden spoon
- Foil (optional, to cover while baking)
Ingredients
Base Ingredients:
- 3 cups cooked chicken, shredded or chopped (breast or thigh)
- 1 ½ cups steamed broccoli florets or cauliflower (or a mix)
- 4 oz cream cheese, softened
- ½ cup sour cream or heavy cream
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella (optional)
- ¼ cup grated parmesan cheese
Flavor Boosters:
- 2 cloves garlic, minced (or ½ tsp garlic powder)
- ½ tsp onion powder
- ½ tsp smoked paprika
- 1 tsp Dijon mustard
- Salt and black pepper, to taste
Optional Add-ins:
- ¼ cup chopped cooked bacon
- 1–2 tbsp chopped jalapeños or olives
- Fresh or dried herbs (thyme, parsley, basil)
Instructions
- Preheat oven to 375°F (190°C). Grease a 9x13 baking dish.
- Cook the chicken if not using pre-cooked—sauté or boil until done, then shred or chop.
- Sauté veggies (if using raw mushrooms, zucchini, or spinach) to remove excess moisture.
- Mix the creamy base: In a large bowl, stir together cream cheese, sour cream (or heavy cream), Dijon mustard, garlic, onion powder, paprika, salt, and pepper until smooth.
- Combine the casserole: Add chicken, veggies, and half of the shredded cheeses. Mix to coat everything evenly.
- Transfer to baking dish and spread evenly. Top with remaining cheeses and any desired toppings (like bacon or herbs).
- Bake uncovered for 20–25 minutes, or until hot, bubbly, and golden on top.
- Cool slightly and serve warm with your favorite low-carb sides.
Notes
- Shortcut Tip: Use rotisserie chicken to cut prep time.
- Dairy-Free Option: Substitute dairy-free cream cheese, vegan cheese, and coconut cream.
- Make Ahead: Assemble the casserole a day in advance and refrigerate. Bake before serving.
- Freezer-Friendly: Wrap tightly and freeze unbaked or fully baked casserole for up to 3 months.
- Vegetable Tips: Steam or sauté veggies to reduce wateriness. Avoid raw zucchini unless pre-cooked.


