Easy Low Carb Creamy Chicken Casserole

Featured in Weeknight Dinners.

Quick and easy low carb creamy chicken casserole. This satisfying dish is perfect for a weeknight dinner, packed with flavor and healthy ingredients.
David Chen - Recipe Author
Updated on March 15, 2026 at 03:52 PM
Prep Time: 15 min Cook Time: 30 min Total Time: 45 min 6 Servings Beginner
Easy Low Carb Creamy Chicken Casserole - Featured Image Pin it
Easy Low Carb Creamy Chicken Casserole | Rapidos Recipes

Oh my goodness, friend, let me tell you about this Low Carb Chicken Casserole! I stumbled upon the idea for this beauty on a super hectic Tuesday night. I was staring into the fridge, exhausted, craving something comforting but also, you know, not going to derail my healthy eating goals. I just wanted a hug in a bowl, something creamy and cheesy, but without all the carbs. And that's how this magic happened. It was a revelation!

Okay, so the first time I made this, I was so excited about the creamy sauce that I totally forgot to add the onion powder! I didn't expect that. The casserole still tasted good, but it was missing that subtle savory depth. I remember taking a bite and thinking, "Hmm, what's off?" My husband just shrugged, bless his heart. Now, I have a little mental checklist!

Ingredients You'll Need for the Best Low Carb Chicken Casserole

  • 1.5 lbs boneless, skinless chicken breasts: This is our star, hon! I love using breasts here because they cook up fast and soak up all that creamy goodness. Make sure you cut them into even, bite-sized pieces so everything cooks at the same rate. Trust me, nobody wants a dry piece of chicken in their casserole. Juicy chicken is key!
  • 4 cups fresh broccoli florets: Fresh is best here, my friend. Those vibrant green trees add a lovely pop of color and a fantastic texture contrast to the creamy sauce. Plus, hello, veggies! I usually chop mine into smaller florets so they blend seamlessly into the casserole. If they're too big, it's like a jungle in there.
  • 8 oz full-fat cream cheese, softened: This is where the magic happens for that luxurious, velvety sauce! Softened cream cheese is non-negotiable, seriously. If it's cold, you'll end up with lumps, and nobody wants a lumpy sauce in their beautiful casserole. Let it hang out on the counter for a bit.
  • 1/2 cup heavy cream: Oh, the heavy cream! It's our secret weapon for that extra layer of richness and a truly decadent mouthfeel. This isn't the place for skimping, friend. It emulsifies beautifully with the cream cheese and broth, creating a sauce that coats every single piece of chicken and broccoli perfectly. Pure bliss, I tell ya.
  • 1/2 cup low-sodium chicken broth: I always go for low-sodium broth because it gives us control over the seasoning. We want that savory base without it being overly salty. It thins out our creamy mixture just enough to make it pourable and ensures everything stays moist and flavorful as it bakes. It’s a quiet hero, honestly.
  • 1/4 cup full-fat sour cream: A little dollop of sour cream adds a wonderful tang and another layer of creamy texture. It brightens up the whole sauce, cutting through the richness just a touch. It’s like a secret ingredient that rounds out all the flavors. Don't skip it, it makes a difference, I promise!

Making Your Low Carb Chicken Casserole: Step-by-Step Guide

Step 1: Preheat Oven, Prep Chicken:
First things first, get that oven humming at 375°F (190°C). While it warms up, grab your chicken breasts. I like to pat them dry it helps them brown beautifully, you know? Then, slice them into nice, even bite-sized cubes. Consistency is key for even cooking in this Low Carb Chicken Casserole. It makes such a difference in the final texture, honestly.
Step 2: Sauté Chicken, Add Broccoli:
Heat that olive oil in a large skillet over medium-high heat. Toss in your chicken and cook until it’s lightly browned and mostly cooked through. We're not looking for fully done yet, just a good sear! Then, add your fresh broccoli florets right into the pan. Give it a good stir and cook for just a few minutes until the broccoli is bright green and slightly tender-crisp. Don't overcook, we want some bite for our Low Carb Chicken Casserole!
Step 3: Whisk Velvety Sauce:
Now for the magic! In a medium bowl, whisk together that softened cream cheese, heavy cream, chicken broth, sour cream, garlic powder, onion powder, and dried thyme. Whisk it until it's super smooth and velvety. No lumps, friend! This is the heart of our creamy Low Carb Chicken Casserole, so take your time here. Give it a taste too, and adjust seasonings if you feel it needs a little something extra.
Step 4: Combine Casserole Base:
Pour that gorgeous, velvety sauce right into the skillet with your chicken and broccoli. Give everything a good stir until every single piece is coated in that creamy goodness. This is where all the flavors start to meld together, creating the base for our amazing Low Carb Chicken Casserole. It should look rich and inviting, like a warm hug.
Step 5: Assemble, Bake Casserole:
Transfer the entire mixture from the skillet into a 9x13 inch baking dish. Spread it out evenly. I love seeing all those vibrant colors peeking through! Pop it into your preheated oven and bake for about 20-25 minutes, or until it's bubbly around the edges and warmed through. The top might get a little golden, which is just perfect.
Step 6: Rest, Garnish, Serve:
Patience, my friend, is a virtue! Once it's out of the oven, let your casserole rest for 5-10 minutes. This lets the sauce set up and prevents it from being too runny when you scoop it. A sprinkle of fresh parsley or chives for garnish adds a lovely touch. Then, scoop it up and enjoy that creamy, comforting goodness!

Cooking this Low Carb Chicken Casserole always feels like a little victory dance in my kitchen. The aroma filling the house as it bakes is just heavenly, a mix of savory chicken and creamy goodness. It’s so satisfying to pull that bubbly dish from the oven, knowing I’ve whipped up something nourishing and delicious for my crew. Pure joy, honestly!

Keeping Your Low Carb Chicken Casserole Fresh: Storage Secrets

Okay, so you've got leftovers of this amazing casserole? Lucky you! Let it cool completely first, hon. Then, transfer it to an airtight container. It’ll keep beautifully in the fridge for 3-4 days. I’ve made the mistake of putting warm casserole straight into the fridge once, and it just got a bit soggy and sad oops! For freezing, portion it out into individual freezer-safe containers. It freezes really well for up to 2-3 months. When you're ready to eat, thaw it in the fridge overnight and then reheat gently in the microwave or oven until warmed through. Sometimes I add a tiny splash of broth or cream when reheating to keep it luscious.

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Easy Low Carb Creamy Chicken Casserole - Image 1 | Rapidos Recipes

Swapping Ingredients in Your Low Carb Chicken Casserole

I'm all about playing around in the kitchen, and this casserole is super forgiving! If broccoli isn't your jam, try swapping in cauliflower florets, spinach (add it in the last few minutes of sautéing so it doesn't get watery), or even some sliced bell peppers. For the chicken, leftover rotisserie chicken works wonderfully just skip the sautéing step and add it with the broccoli. If you're out of sour cream, plain full-fat Greek yogurt can pinch-hit for a similar tang, though the texture might be slightly different. And if you want a little kick, a pinch of red pepper flakes in the sauce is divine.

What to Serve with Your Amazing Low Carb Chicken Casserole

This casserole is a meal in itself, but sometimes you just want a little something extra on the side, right? I love serving it with a simple, crisp green salad dressed with a light vinaigrette that fresh crunch is a perfect contrast to the creamy casserole. A side of roasted asparagus or green beans would also be fantastic, adding even more veggie goodness. Sometimes, if I'm feeling fancy, I'll whip up some quick cauliflower rice to serve underneath, letting it soak up all that amazing sauce. For drinks, a dry white wine or even just some sparkling water with lemon would be lovely.

The Heartwarming Story Behind Low Carb Chicken Casserole

Casseroles, my friend, are practically American royalty, aren't they? They rose to fame in the mid-20th century as busy home cooks sought convenient, one-dish meals that could feed a crowd. This recipe is a modern twist on that classic comfort food tradition. It embraces the "dump-and-bake" philosophy but with a focus on wholesome, low-carb ingredients. It reminds me of my grandma's kitchen, but updated for today's lifestyle. It's about bringing people together over a warm, nourishing meal, and honestly, that's a tradition I'll always cherish.

So there you have it, my friends! This casserole has become a cherished staple in my home, bringing comfort and flavor without the fuss. It's truly a weeknight hero! I hope you love making and eating it as much as I do. If you give it a whirl, please, please come back and tell me how it went in the comments below!

Easy Low Carb Creamy Chicken Casserole - Image 2Pin it
Easy Low Carb Creamy Chicken Casserole - Image 2 | Rapidos Recipes

FAQs About This Low Carb Chicken Casserole

→ Is this casserole keto-friendly?

Yes, it totally is! With all the full-fat dairy, chicken, and low-carb veggies like broccoli, this recipe fits beautifully into a ketogenic diet. It's rich, satisfying, and keeps you feeling full without the carb count.

→ Can I make this casserole ahead of time?

You bet! You can assemble the entire casserole in your baking dish, cover it, and pop it in the fridge for up to 24 hours before baking. Just add an extra 5-10 minutes to the baking time.

→ What if I don't have fresh broccoli?

No worries! Frozen broccoli florets work just fine. You don't even need to thaw them, just add them directly to the skillet with the chicken. They might release a little extra water, but it'll bake out.

→ How do I reheat leftovers without drying them out?

For best results, reheat individual portions in the microwave on 50% power, stirring occasionally. Or, cover the dish with foil and warm in a 300°F oven until heated through. A splash of broth helps!

→ Can I add other vegetables to this recipe?

Absolutely! This casserole is super versatile. Sautéed mushrooms, spinach, or even some zucchini would be delicious additions. Just be mindful of water content with certain veggies.

Easy Low Carb Creamy Chicken Casserole

Quick and easy low carb creamy chicken casserole. This satisfying dish is perfect for a weeknight dinner, packed with flavor and healthy ingredients.

4.9 out of 5
(49 reviews)
Prep Time
15 Minutes
Cook Time
30 Minutes
Total Time
45 Minutes

Category: Weeknight Dinners

Difficulty: Beginner

Cuisine: American

Yield: 6 Servings

Dietary: Gluten-Free, Diabetic-Friendly

Published: March 15, 2026 at 03:51 PM

Ingredients

→ The Hearty Core

01 1 1/2 lbs boneless, skinless chicken breasts
02 4 cups fresh broccoli florets
03 1 tbsp olive oil

→ Velvety Dream Sauce

04 8 oz full-fat cream cheese, softened
05 1/2 cup heavy cream
06 1/2 cup low-sodium chicken broth
07 1/4 cup full-fat sour cream
08 1 tsp garlic powder
09 1 tsp onion powder
10 1/2 tsp dried thyme
11 1/2 tsp black pepper
12 Salt to taste

→ Golden Crown & Fresh Finish

13 1 1/2 cups shredded sharp cheddar cheese
14 2 tbsp fresh parsley, chopped, for garnish

Instructions

Step 01

Preheat your oven to 375°F (190°C). Cut the 1.5 lbs boneless, skinless chicken breasts into 1-inch cubes. This initial prep is key for your Creamy Easy Low Carb Chicken Casserole Recipe.

Step 02

Heat 1 tbsp olive oil in a large skillet over medium-high heat. Add the cubed chicken and cook until browned and mostly cooked through, about 5-7 minutes. Stir in 4 cups fresh broccoli florets and cook for another 3-5 minutes until tender-crisp.

Step 03

In a large bowl, whisk together 8 oz full-fat cream cheese (softened), 1/2 cup heavy cream, 1/2 cup low-sodium chicken broth, and 1/4 cup full-fat sour cream until smooth. Season with 1 tsp garlic powder, 1 tsp onion powder, 1/2 tsp dried thyme, 1/2 tsp black pepper, and salt to taste.

Step 04

Add the cooked chicken and broccoli mixture to the bowl with the creamy sauce. Stir gently until everything is well coated. This forms the delicious base for your Creamy Easy Low Carb Chicken Casserole Recipe.

Step 05

Transfer the chicken and broccoli mixture into a 9x13 inch baking dish. Sprinkle evenly with 1.5 cups shredded sharp cheddar cheese. Bake for 20-25 minutes, or until bubbly and the cheese is melted and golden.

Step 06

Remove the casserole from the oven and let it rest for 5-10 minutes before serving. This allows the sauce to set. Garnish with 2 tbsp fresh parsley, chopped, for a fresh finish to your Creamy Easy Low Carb Chicken Casserole Recipe.

Notes

  1. For a different veggie, try cauliflower florets or spinach instead of broccoli.
  2. Leftovers can be stored in an airtight container in the refrigerator for up to 3-4 days. Reheat gently in the microwave or oven.
  3. Serve this hearty casserole on its own, or alongside a simple green salad for a complete low-carb meal.
  4. A pinch of red pepper flakes can add a nice subtle kick to the creamy sauce if you enjoy a little heat.

Tools You'll Need

  • 9x13 inch baking dish
  • large mixing bowl
  • whisk
  • measuring cups
  • measuring spoons
  • cutting board
  • knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Chicken

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 557 kcal
  • Total Fat: 38 g
  • Total Carbohydrate: 8 g
  • Protein: 47 g

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Easy Low Carb Creamy Chicken Casserole

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