Keto Chicken Mushroom Casserole Recipe – Creamy & Low-Carb
Looking for a rich, creamy, and satisfying keto-friendly meal? This keto chicken mushroom casserole is the perfect low-carb comfort food. Packed with tender chicken, earthy mushrooms, and a velvety cheese sauce, this dish delivers indulgent flavors while keeping your carb count in check.
Whether you’re following a keto diet or just looking for a hearty, one-pan meal, this casserole is ideal for busy weeknights, meal prepping, or family dinners.
With simple ingredients and easy prep, you’ll have a flavorful, cheesy, and protein-packed dish ready in no time.
Unlike traditional casseroles that use pasta or rice, this version focuses on wholesome, keto-friendly ingredients that make every bite rich, creamy, and satisfying.
Let’s dive into this easy, comforting casserole that’s guaranteed to become a new favorite.
What is Keto Chicken Mushroom Casserole?
Keto chicken mushroom casserole is a low-carb, high-fat dish featuring baked chicken in a creamy mushroom and cheese sauce.
It’s a one-pan meal that brings together the natural umami flavors of mushrooms, garlic, and cheese for a dish that’s both nourishing and satisfying.
- Juicy, seasoned chicken provides a protein-packed base.
- Earthy mushrooms add depth and texture.
- A rich, creamy cheese sauce ties it all together.
This casserole is gluten-free, low-carb, and keto-friendly, making it a great choice for anyone looking to enjoy a delicious meal without the carbs.
Ingredients You’ll Need to Make Keto Chicken Mushroom Casserole
This recipe serves 6 people and comes together with simple, keto-friendly ingredients.
Main Ingredients:
- 2 pounds boneless, skinless chicken breasts (cut into bite-sized pieces)
- 8 ounces mushrooms (sliced)
- 2 tablespoons butter
- 3 cloves garlic (minced)
- ½ teaspoon salt
- ½ teaspoon black pepper
- 1 teaspoon Italian seasoning
- ½ teaspoon smoked paprika
- 1 teaspoon Worcestershire sauce
- ½ cup heavy cream
- ½ cup sour cream
- 4 ounces cream cheese (softened)
- 1 ½ cups shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- ¼ cup chicken broth
For the Topping:
- ½ cup shredded cheddar cheese
- ¼ cup crushed pork rinds or almond flour (for crunch)
- 1 tablespoon butter (melted)
Substitutions and Variations
- Use different proteins – Swap chicken for turkey or shrimp for a variation.
- Dairy-free option – Use coconut cream instead of heavy cream and dairy-free cheese alternatives.
- Spicy version – Add red pepper flakes or a dash of hot sauce for extra heat.
- Vegetable boost – Stir in chopped spinach, zucchini, or bell peppers for added nutrients.
- No pork rinds? Use crushed almonds or keto-friendly breadcrumbs for a crispy topping.
Step-by-Step Instructions to Make Keto Chicken Mushroom Casserole
1. Preheat the Oven
- Preheat your oven to 375°F and grease a 9×13-inch baking dish with butter or cooking spray.
2. Sauté the Mushrooms and Garlic
- Heat a large skillet over medium heat.
- Melt 2 tablespoons butter and add the mushrooms. Sauté until tender, about 5-7 minutes.
- Add minced garlic and cook for another minute. Remove from heat.
3. Cook the Chicken
- In the same skillet, add the chicken pieces, salt, pepper, Italian seasoning, and smoked paprika.
- Cook over medium heat for about 5 minutes, until browned (but not fully cooked).
- Stir in Worcestershire sauce and remove from heat.
4. Make the Creamy Sauce
- In a bowl, whisk together heavy cream, sour cream, cream cheese, and chicken broth until smooth.
- Stir in 1 cup shredded mozzarella cheese and Parmesan cheese.
5. Assemble the Casserole
- Spread the chicken and mushroom mixture evenly in the baking dish.
- Pour the cheese sauce over the top, spreading it out evenly.
- Sprinkle with remaining mozzarella cheese.
6. Prepare the Crunchy Topping
- In a small bowl, mix crushed pork rinds (or almond flour) with melted butter.
- Sprinkle this mixture over the casserole, followed by cheddar cheese.
7. Bake
- Bake uncovered for 25-30 minutes, until the cheese is melted and bubbly.
- Let sit for 5 minutes before serving.
Common Mistakes to Avoid
- Overcooking the chicken – Since it will bake in the oven, don’t fully cook it in the skillet.
- Skipping the seasoning – Mushrooms and chicken need plenty of seasoning to enhance their flavors.
- Not draining excess liquid – Mushrooms release moisture, so drain any extra liquid before baking.
- Burning the topping – If the cheese browns too quickly, loosely cover with foil.
Serving and Presentation Tips
- Garnish with fresh parsley or thyme for a pop of color.
- Serve with steamed vegetables, cauliflower rice, or a fresh salad.
- Use a cast iron skillet for a beautiful rustic presentation.
Expert Tips
- Make ahead – Assemble the casserole up to 24 hours in advance and store in the fridge.
- Freeze it – Store in an airtight container for up to 3 months.
- Reheat properly – Bake at 350°F for 15 minutes or microwave individual portions.
Frequently Asked Questions (FAQs)
Can I use rotisserie chicken for this casserole?
Yes! Using pre-cooked rotisserie chicken saves time and works great in this recipe.
Can I freeze keto chicken mushroom casserole?
Absolutely! Store in an airtight container for up to 3 months. Thaw overnight before reheating.
How can I make this casserole dairy-free?
Use coconut cream instead of heavy cream and dairy-free cheese alternatives.
Is this casserole gluten-free?
Yes! This dish is naturally gluten-free and keto-friendly.
Conclusion
This keto chicken mushroom casserole is the perfect combination of creamy, cheesy, and savory flavors while staying low-carb.
It’s an easy, family-friendly meal that’s great for weeknights, meal prep, or special occasions.
Give it a try, and enjoy a rich, satisfying casserole without the carbs!
Looking for another tasty Chicken Casserole Recipe, then you will this Chicken Casserole Recipe!
