Creamy Low Carb Chicken Casserole

Golden bubbly low carb chicken casserole with tender broccoli and melted mozzarella cheese topping Pin It
Golden bubbly low carb chicken casserole with tender broccoli and melted mozzarella cheese topping | spoonfulsaga.com

This satisfying casserole combines tender chicken breast with broccoli and mushrooms in a luscious cream and cheese sauce. The heavy cream base blends with mozzarella and parmesan to create a rich, velvety texture that coats every bite. Ready in about 55 minutes, this dish offers the ultimate comfort food experience while keeping carbs low. The golden, bubbly topping adds an irresistible finish that makes this a family favorite for weeknight dinners or meal prep weekends.

Theres something deeply comforting about a bubbling casserole emerging from the oven, especially when the weather turns crisp and evenings call for food that feels like a warm hug. I discovered this recipe during my low carb journey, missing the comfort of baked dishes but refusing to compromise on satisfaction.

My sister was skeptical when I told her I was making a low carb casserole. She took one bite and actually asked where the pasta was hiding—that creamy, rich sauce tricks everyone into thinking theyre indulging in something forbidden.

Ingredients

  • Chicken breasts: Cutting them into bite sized pieces ensures every forkful has the perfect meat to veggie ratio, and they cook faster too
  • Broccoli florets: These hold up beautifully in the oven and become tender without turning mushy
  • Mushrooms: They release moisture that blends naturally into the sauce while baking
  • Onion and garlic: The aromatic foundation that makes your kitchen smell amazing
  • Heavy cream: The secret to that restaurant quality velvety texture
  • Mozzarella and parmesan: This duo creates both melt and that savory depth we all crave
  • Cream cheese: Adds body and helps the sauce cling to every single piece
  • Chicken broth: Keeps the sauce from becoming too heavy
  • Dried thyme: Earthy and subtle, it complements without overpowering
  • Olive oil: For that perfect sear on the chicken pieces

Instructions

Preheat your oven:
Get it to 200°C so its ready when your filling is done
Sauté the aromatics:
Heat olive oil in your large skillet and cook onions and garlic until they smell wonderful
Brown the chicken:
Add chicken pieces and let them develop a golden color, about 5 minutes
Add the vegetables:
Toss in mushrooms and broccoli, cooking just until they start to soften
Make the sauce:
In a saucepan, warm heavy cream with broth, cream cheese, thyme, salt and pepper
Melt the cheeses:
Stir in mozzarella and parmesan until the sauce becomes glossy and thick
Combine everything:
Mix chicken and veggies into that gorgeous sauce in your large bowl
Assemble the casserole:
Transfer to your greased baking dish and sprinkle extra mozzarella on top
Bake until golden:
Let it cook for 20 to 25 minutes until the cheese is bubbling and beautifully browned
Finish with parsley:
That fresh green pop makes it look like something from a magazine
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Creamy low carb chicken casserole baked in white dish with fresh parsley garnish | spoonfulsaga.com

This casserole has become my go to when friends come over for dinner. Watching their faces when they realize something this creamy and satisfying fits into a low carb lifestyle never gets old.

Making It Your Own

Swapping vegetables keeps this recipe exciting week after week. Cauliflower works beautifully, and spinach adds lovely color when stirred in at the very end so it just wilts.

Shortcuts That Work

On nights when time is tight, a rotisserie chicken from the store transforms this into a 20 minute meal. Just skip the chicken browning step and add the shredded meat when combining everything.

Serving Suggestions

A crisp green salad with a bright vinaigrette cuts through the richness perfectly. I also love serving this with a dry white wine—the acidity balances the creamy sauce beautifully.

  • Let the casserole rest for 5 minutes before serving
  • The sauce will thicken as it stands
  • Leftovers reheat beautifully in the microwave
Savory low carb chicken casserole featuring mushrooms in rich parmesan cream sauce bubbling hot Pin It
Savory low carb chicken casserole featuring mushrooms in rich parmesan cream sauce bubbling hot | spoonfulsaga.com

This recipe proves that eating low carb never means sacrificing comfort or flavor. Its become a staple in our house, and I hope it finds a permanent place in yours too.

Common Questions

Yes, assemble the entire dish up to 24 hours in advance and refrigerate. When ready to serve, bake for an additional 5-10 minutes since it will be cold.

Cauliflower florets, spinach, or bell peppers make excellent alternatives to broccoli. Just adjust cooking time slightly as some vegetables cook faster than others.

Yes, freeze before baking for up to 3 months. Thaw overnight in the refrigerator, then bake as directed, adding 10-15 minutes to the cooking time.

Reheat individual portions in the microwave for 2-3 minutes or cover the entire dish with foil and warm in a 180°C (350°F) oven for 15-20 minutes until heated through.

Absolutely. With only 7 grams of carbohydrates per serving and high protein content, this fits perfectly into a ketogenic eating plan while providing rich, satisfying flavors.

Creamy Low Carb Chicken Casserole

Tender chicken and fresh vegetables baked in a rich, creamy cheese sauce for a satisfying low-carb comfort dish.

Prep 20m
Cook 35m
Total 55m
Servings 4
Difficulty Easy

Ingredients

Meats

  • 1.3 lbs boneless, skinless chicken breasts, cut into bite-sized pieces

Vegetables

  • 1 ½ cups broccoli florets
  • ¾ cup sliced mushrooms
  • ½ cup diced onion
  • 2 cloves garlic, minced

Sauce

  • 1 cup heavy cream
  • 1 cup shredded mozzarella cheese
  • ½ cup grated parmesan cheese
  • ½ cup chicken broth
  • 2 tbsp cream cheese
  • 1 tbsp olive oil
  • 1 tsp dried thyme
  • ½ tsp ground black pepper
  • ½ tsp salt

Optional Topping

  • ¼ cup shredded mozzarella cheese
  • 1 tbsp fresh parsley, chopped

Instructions

1
Preheat Oven: Preheat the oven to 400°F.
2
Sauté Aromatics: Heat olive oil in a large skillet over medium heat. Sauté onions and garlic for 2–3 minutes until fragrant.
3
Brown Chicken: Add chicken pieces and cook for 5–6 minutes until browned but not fully cooked through.
4
Add Vegetables: Add mushrooms and broccoli, and sauté another 3–4 minutes. Remove from heat.
5
Prepare Sauce Base: In a saucepan, combine heavy cream, chicken broth, cream cheese, dried thyme, salt, and pepper. Heat gently, stirring, until smooth.
6
Add Cheeses: Stir in mozzarella and parmesan cheese until melted and sauce thickens, about 2–3 minutes.
7
Combine Components: Combine chicken-vegetable mix with creamy sauce in a large mixing bowl.
8
Assemble Casserole: Transfer the mixture to a greased casserole dish. Top with the optional shredded mozzarella.
9
Bake: Bake for 20–25 minutes until bubbly and golden on top.
10
Garnish and Serve: Garnish with fresh parsley before serving.
Additional Information

Equipment Needed

  • Large skillet
  • Saucepan
  • Mixing bowl
  • Casserole baking dish
  • Chef's knife
  • Cutting board

Nutrition (Per Serving)

Calories 425
Protein 35g
Carbs 7g
Fat 27g

Allergy Information

  • Contains dairy (heavy cream, mozzarella, parmesan, cream cheese).
  • Contains chicken.
  • Check all cheese and broth labels for possible allergens or gluten contamination.
Audrey Bennett

Audrey shares approachable, flavorful recipes and practical kitchen wisdom for fellow food lovers.