This Keto Chicken Alfredo Casserole transforms the classic Italian Alfredo into a creamy, comforting casserole that’s perfect for low-carb and keto lifestyles. Tender pieces of chicken are baked in a rich garlic-parmesan sauce with melted cheese and hearty vegetables, creating a satisfying dinner that feels indulgent without the carbs. Every forkful delivers creamy texture, savory seasoning, and a warm baked finish that’s hard to resist.
Whether you’re cooking for family dinner or preparing meals ahead of time, this casserole is both easy and versatile. It’s a one-dish meal that’s family-friendly, hearty, and stays true to keto goals while still delivering the cozy comfort you crave in a home-cooked dinner.
Equipment
- Oven
- 9×13 casserole dish
- Large skillet
- Mixing bowl
- Whisk or spoon
- Cutting board and knife
- Measuring cups and spoons
Ingredients
Main Ingredients
- 3 cups cooked chicken, shredded or cubed
- 2 tablespoons butter
- 3 cloves garlic, minced
- 1 cup heavy cream
- ½ cup cream cheese
- 1 cup grated Parmesan cheese
- 1 cup shredded mozzarella cheese
- 1 teaspoon Italian seasoning
- Salt and black pepper, to taste
- 2 cups broccoli florets (optional)
- ½ cup cauliflower rice (optional)
Instructions
- Preheat your oven to 375°F and lightly grease a casserole dish.
- In a skillet over medium heat, melt the butter and sauté the minced garlic for about 1 minute until fragrant.
- Pour in the heavy cream and add the cream cheese, stirring until the cream cheese has melted and the sauce is smooth and creamy.
- Stir in the Parmesan cheese, Italian seasoning, salt, and pepper until the sauce thickens slightly.
- Add the cooked chicken, broccoli florets, and cauliflower rice to the sauce and stir until everything is evenly coated.
- Transfer the mixture to the prepared casserole dish and spread it evenly.
- Sprinkle the shredded mozzarella cheese over the top.
- Bake for about 20–25 minutes, or until the casserole is bubbling and the cheese is golden.
- Let cool slightly before serving.
Recipe Info
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Total Time: 40 minutes
- Servings: 6
- Cuisine: Italian-Inspired / Keto
- Course: Main Dish
How to Store
- Allow the casserole to cool completely before storing.
- Refrigerate in an airtight container for up to 4 days.
- Freeze individual servings in freezer-safe containers for up to 2 months.
- Reheat in the oven or microwave until warmed through.
What Not to Do
- Do not overcook the broccoli if using—it should be tender-crisp, not mushy.
- Avoid boiling the sauce; gentle simmering keeps it creamy and smooth.
- Don’t skip seasoning—salt and pepper are essential for depth of flavor.
Tips & Variations
- Add sautéed mushrooms or spinach for extra vegetables and vitamins.
- Use rotisserie chicken for quicker prep.
- Sprinkle extra Parmesan on top for a more intense cheesy crust.
- Swap mozzarella for Italian blend cheese for a richer finish.
Approximate Nutrition (Per Serving)
- Calories: ~420
- Fat: ~30 g
- Protein: ~32 g
- Carbohydrates: ~6 g
- Fiber: ~1 g
- Sugar: ~2 g
Ingredients
Method
- Preheat your oven to 375°F and lightly grease a casserole dish.
- In a skillet over medium heat, melt the butter and sauté the minced garlic for about 1 minute until fragrant.
- Pour in the heavy cream and add the cream cheese, stirring until the cream cheese has melted and the sauce is smooth and creamy.
- Stir in the Parmesan cheese, Italian seasoning, salt, and pepper until the sauce thickens slightly.
- Add the cooked chicken, broccoli florets, and cauliflower rice to the sauce and stir until everything is evenly coated.
- Transfer the mixture to the prepared casserole dish and spread it evenly.
- Sprinkle the shredded mozzarella cheese over the top.
- Bake for about 20–25 minutes, or until the casserole is bubbling and the cheese is golden.
- Let cool slightly before serving.
Notes
- Fat: ~30 g
- Protein: ~32 g
- Carbohydrates: ~6 g
- Fiber: ~1 g
- Sugar: ~2 g
This Keto Chicken Alfredo Casserole offers the rich, creamy flavors of classic Alfredo without the heavy carbs, making it ideal for low-carb meals that still feel indulgent. Its balanced blend of protein, healthy fats, and vegetables ensures a satisfying dinner that’s both cozy and nourishing.
FAQs
- Can I use leftover chicken?
Yes—leftover rotisserie or baked chicken works perfectly. - Can I make this dairy-free?
You can try dairy-free cream and cheese alternatives, but texture may differ. - Is this casserole freezer-friendly?
Yes—freeze portions for quick meals later. - Why is my sauce too thin?
Simmer a little longer on the stovetop before baking to reduce it. - Can I add other veggies?
Yes—peppers, zucchini, or spinach all make great additions.
