Easy Low Carb Chicken Casserole

The Story Behind the Recipe

There are recipes that feel like they were born out of necessity — the kind you make when your day has been long, your energy is low, and you just need something warm, nourishing, and satisfying without spending hours in the kitchen. That is exactly how my Easy Low Carb Chicken Casserole came to life.

I still remember the first time I made it. It was one of those evenings where the air felt a little cooler, the house smelled like fall, and all I wanted was a comforting meal that didn’t make me feel heavy afterward. I had leftover chicken from the night before, a few vegetables sitting in the fridge, and half a block of cheese just waiting to be used. I wasn’t in the mood to make something complicated, but I also wanted a dinner that felt like a hug — something creamy, bubbly, and cozy.

I opened the fridge, pulled everything onto the counter, and thought, “Let’s just put this together and see what happens.” I shredded the chicken, mixed it with a creamy sauce, added broccoli and mushrooms, sprinkled cheese over the top, and popped it into the oven. It reminded me of those old-fashioned casseroles my grandmother used to make — the ones that brought everyone to the kitchen before the timer even went off.

As the casserole baked, the cheese melted into a golden, bubbly blanket. The smell drifted through the house — creamy, savory, comforting. My husband peeked into the kitchen, smiling, and said, “Whatever that is, I’m ready for dinner now.” The kids wandered in, drawn by the smell, asking, “Is it done yet?”

When I finally scooped warm spoonfuls onto plates, the taste said everything. Tender chicken, creamy sauce, perfectly cooked veggies, melted cheese, and a flavor so comforting it made the whole day feel lighter. The best part? It was low carb without feeling low carb — no sense of missing out, just simple, wholesome comfort.

Since that night, Easy Low Carb Chicken Casserole has become one of our most loved meals — the kind of dish that works for busy weekdays, cozy weekends, meal prep, potlucks, and nights when you want something delicious without the extra carbs. It’s creamy, cheesy, warm, and deeply comforting — proof that simple ingredients can create something unforgettable.


What Makes This Recipe Special

There are so many reasons Easy Low Carb Chicken Casserole stands out as a favorite in our home:

• It’s creamy, cheesy, and cozy
• Ready in under 30 minutes
• Perfect for busy nights
• Completely low carb without sacrificing flavor
• Packed with protein
• Easy to customize with your favorite veggies
• Delicious reheated — great for meal prep
• Kid-friendly and picky-eater approved
• Light yet satisfying
• Comforting without being heavy

But most of all, Easy Low Carb Chicken Casserole tastes like home — warm, nurturing, and full of love.


Ingredients – Simple, Wholesome & Full of Comfort

For the Casserole Base

• 3 cups cooked shredded chicken
• 2 cups broccoli florets
• 1 cup mushrooms, sliced
• ½ cup onions, diced
• 2 cloves garlic, minced
• 1 tablespoon olive oil or butter

For the Creamy Sauce

• ¾ cup cream cheese
• ½ cup sour cream
• ½ cup heavy cream
• 1 teaspoon Dijon mustard
• ½ teaspoon paprika
• ½ teaspoon onion powder
• ½ teaspoon garlic powder
• ½ teaspoon salt
• ¼ teaspoon black pepper

For the Cheesy Topping

• 1½ cups shredded cheddar or mozzarella
• 2 tablespoons grated Parmesan

Optional Add-Ins

• Spinach
• Zucchini
• Cauliflower rice
• Bell peppers
• Jalapeños
• Italian herbs
• Rotisserie chicken for convenience

These ingredients come together to create the creamy, comforting magic of Easy Low Carb Chicken Casserole.


Step-by-Step Cooking Instructions

Step 1: Prepare the Chicken

Use cooked shredded chicken — rotisserie chicken works beautifully and saves time.
If using raw chicken, quickly pan-cook or bake it until tender.

Easy Low Carb Chicken Casserole starts with warm, flavorful chicken that blends perfectly with the creamy sauce.

Step 2: Sauté the Vegetables

In a skillet, heat olive oil or butter.
Add onions and garlic, sautéing until fragrant.
Add broccoli and mushrooms, cooking until just softened.

This step brings depth and warmth to your Easy Low Carb Chicken Casserole.

Step 3: Make the Creamy Sauce

In a saucepan, whisk together:

• Cream cheese
• Sour cream
• Heavy cream
• Dijon mustard
• Spices

Heat gently until everything melts into a velvety, silky sauce.

Taste and adjust seasoning — this sauce is the heart of your Easy Low Carb Chicken Casserole.

Step 4: Combine Everything

In a large bowl, mix the chicken, veggies, and creamy sauce together until everything is well coated.

Step 5: Transfer to Casserole Dish

Spread the mixture evenly into a greased baking dish.

Step 6: Add the Cheesy Topping

Sprinkle cheddar or mozzarella over the top, then finish with Parmesan.

The cheese melts and forms that delicious golden crust everyone loves in Easy Low Carb Chicken Casserole.

Step 7: Bake to Perfection

Bake at 375°F for 20–25 minutes until bubbly, golden, and hot.

Step 8: Cool Slightly & Serve

Let the casserole rest for 5 minutes before serving — this helps it set beautifully.


Serving Suggestions – How to Make It a Meal

Easy Low Carb Chicken Casserole pairs wonderfully with:

• Mixed green salad
• Roasted asparagus
• Garlic sautéed spinach
• Cauliflower mash
• Zucchini fries
• Fresh sliced tomatoes
• Low carb biscuits
• Roasted Brussels sprouts

Or serve it simply on its own — it’s hearty, warming, and completely satisfying.


Customization & Variations

Here are delicious ways to make your Easy Low Carb Chicken Casserole your own:

• Add bacon for smoky richness
• Use cauliflower instead of broccoli
• Add buffalo sauce for a spicy kick
• Add pesto for a herb-forward version
• Use Monterey Jack cheese for melty goodness
• Add jalapeños or red pepper flakes for heat
• Swap mushrooms for zucchini
• Add cooked spinach for extra greens
• Use Italian seasoning for a classic herb blend
• Make it Mexican-style with taco seasoning and pepper jack cheese

Every variation still keeps the cozy heart of Easy Low Carb Chicken Casserole intact.


Storing & Reheating

One of my favorite things about Easy Low Carb Chicken Casserole is how well it stores:

Refrigerate

Store in an airtight container for up to 4 days.

Freeze

Freeze individual portions for up to 2 months.
Thaw fully and reheat.

Reheat

Microwave: 1–2 minutes
Oven: 350°F for 10–12 minutes
Air fryer: 350°F for 5 minutes

It always reheats creamy, flavorful, and delicious.


Nutritional Snapshot (Per Serving – Approx.)

Calories: 390
Protein: 32g
Carbs: 7g
Fat: 26g
Fiber: 2g
Sodium: 580mg

Easy Low Carb Chicken Casserole is filling, nutritious, and satisfying without the extra carbohydrates.


Reader Q&A – Common Questions

  1. Can I use rotisserie chicken?
    Yes — it’s perfect for Easy Low Carb Chicken Casserole.
  2. Can I make it dairy-free?
    Use dairy-free cream cheese and coconut cream.
  3. Can I use frozen vegetables?
    Yes — thaw and drain well.
  4. Can I make it ahead?
    Definitely — assemble and refrigerate before baking.
  5. Can I use different cheese?
    Cheddar, mozzarella, Monterey Jack, or Swiss all work great.
  6. How do I make it spicier?
    Add Cajun seasoning or jalapeños.
  7. Can I double the recipe?
    Yes — use a 9×13 pan.
  8. Can I use leftover cooked vegetables?
    Absolutely.
  9. Can kids eat this?
    Yes — it’s mild, creamy, and very kid-friendly.
  10. Can I add rice?
    Yes for non-low-carb, no for low-carb.
  11. Can I use canned chicken?
    It works, though fresh is tastier.
  12. Can I skip mushrooms?
    Yes — just add more broccoli or zucchini.
  13. Can it be keto?
    It already is!
  14. Can I add cream cheese only?
    Yes — it will be extra rich.
  15. Why is my casserole watery?
    Vegetables weren’t pre-sautéed — sautéing releases moisture.
  16. Can I add herbs?
    Yes — thyme, parsley, or basil work beautifully.
  17. Can I put this in lettuce wraps?
    Yes — it makes a delicious filling.

Final Thoughts

Easy Low Carb Chicken Casserole is the kind of recipe that feels like a warm embrace at the end of a long day. It’s creamy, cozy, indulgent without guilt, and full of the comforting flavors that make family dinners feel special. It’s perfect for nights when you want something simple, nourishing, and full of love.

Whether you’re trying to eat low carb, looking for an easy casserole dinner, or simply wanting something rich and satisfying, this dish delivers every time. It’s one of those recipes that fills your home with warmth and your table with happiness.

From my kitchen to yours — I hope this Easy Low Carb Chicken Casserole becomes a comforting favorite in your home, just like it has in mine.


Tried This Recipe?

Did you make Easy Low Carb Chicken Casserole?
I’d love to hear how it turned out!

Did you add bacon, veggies, or different cheeses?
Share your version — your creativity might inspire another home cook!

And don’t forget — follow Mama Cooks Dinner on Pinterest for cozy casseroles, low carb favorites, and comforting homemade recipes.

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