Keto Buffalo Chicken Casserole

By Lily | Last modified on Mar 4, 2026

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Keto Buffalo Chicken Casserole

This Keto Buffalo Chicken Casserole combines spicy, tangy buffalo sauce with creamy, cheesy goodness for a comforting low-carb meal. It’s an irresistible crowd-pleaser, perfect for warming up chilly evenings or energizing your game day spread.

The tender shredded chicken soaks in rich cream cheese and heavy cream, while sharp cheddar tops it off with a perfectly baked golden crust. Whether you’re keto or just craving flavor-packed comfort, this casserole fits the bill.

Why You’ll Love This Recipe

  • Bold buffalo sauce blends creamy and spicy textures for exciting flavor.
  • Low-carb, keto-friendly ingredients make it guilt-free and filling.
  • Simple steps create a hearty casserole suitable for easy weeknight dinners.
  • Customizable heat level thanks to adjustable buffalo sauce amount.

Ingredients

  • Cooked shredded chicken: Tender, pre-cooked chicken shredded finely to absorb buffalo sauce flavors thoroughly.
  • Buffalo sauce: Spicy and tangy sauce that brings heat and zest; adjust quantity to personal spice preferences.
  • Heavy cream: Adds richness and smooth texture that balances spicy buffalo sauce perfectly.
  • Cheddar cheese: Sharp and melty cheese to create a golden bubbly topping when baked.
  • Cream cheese: Softened for easy mixing, it contributes extra creaminess and depth to the casserole.
  • Garlic powder: Provides a subtle pungent aroma enhancing overall flavor complexity.
  • Onion powder: Adds mild sweetness and depth without overpowering the buffalo heat.
  • Salt and pepper: Essential seasonings to enhance all flavors and balance the dish.
  • Green onions: Chopped fresh garnish that adds vibrant color and mild crunch, optional but recommended.

Instructions

Preheat the oven

Set your oven to 350°F (175°C) so it reaches the correct baking temperature while you prepare the casserole ingredients. This ensures even cooking and optimal cheese melting.

Combine chicken and sauce mixture

In a large bowl, thoroughly mix shredded chicken with buffalo sauce, heavy cream, cream cheese, garlic powder, onion powder, salt, and pepper. Combining these creates a creamy, flavorful base that infuses every bite with rich buffalo taste.

Transfer to baking dish

Grease a 9×13-inch baking dish to prevent sticking, then spread the buffalo chicken mixture evenly inside. This helps the casserole bake uniformly with a perfect texture throughout.

Top with cheddar cheese

Sprinkle shredded cheddar cheese evenly over the top. This forms a golden, bubbly crust after baking, enhancing flavor and presentation.

Bake until bubbly

Place the dish in the preheated oven and bake for 25–30 minutes. Cook until the cheese is fully melted and bubbly, signaling the dish is hot and ready to serve.

Garnish and serve

Remove the casserole from oven and let it cool slightly. Sprinkle chopped green onions on top for freshness and a pop of color before serving warm.

You Must Know

  • Use chicken cooked and shredded in advance to save prep time and enhance texture.
  • Adjust buffalo sauce quantity to control spiciness, making it milder or hotter.
  • Ensure cream cheese is softened to mix smoothly, avoiding lumps in the casserole.

Storage Tips

Store leftover casserole covered in an airtight container in the refrigerator for up to 3 days. Reheat gently in the oven or microwave to preserve creamy texture and flavor.

Serving Suggestions

Pair this casserole with crunchy celery sticks or leafy green salad for refreshing contrast. It also complements keto-friendly cauliflower rice or roasted veggies for a complete meal.

Professional Tips

  • Use rotisserie chicken for an easy shortcut and enhanced flavor.
  • For extra creaminess, add a handful of shredded mozzarella along with the cheddar topping.
  • To reduce spiciness without losing flavor, mix buffalo sauce with a little melted butter.
  • Let casserole rest 5 minutes after baking to help it set and make serving easier.

FAQs

Can I use fresh chicken instead of cooked chicken?

Yes, but you’ll need to bake the casserole longer to ensure chicken is fully cooked through. Precooked shredded chicken is recommended for convenience and even texture.

Is this casserole freezer-friendly?

While you can freeze it, results may vary due to cream cheese and heavy cream. Freeze before baking for best results; thaw overnight before cooking.

Can I substitute the buffalo sauce?

You can use any spicy wing sauce or hot sauce you like. Adjust seasonings accordingly to maintain a balanced flavor profile.

Is this recipe suitable for dairy-free diets?

No, this recipe contains cream cheese, cheddar cheese, and heavy cream. For dairy-free versions, suitable substitutes would be needed but will change texture and taste.

How can I reduce the heat level?

Reduce the amount of buffalo sauce or mix it with melted butter or cream cheese to tame the spice without losing flavor.

Can I add vegetables?

Yes, chopped celery or bell peppers can be folded in before baking to add crunch and extra nutrients.

Keto Buffalo Chicken Casserole

Keto Buffalo Chicken Casserole

A creamy, spicy casserole combining shredded chicken with buffalo sauce and cheese. This low-carb dish is perfect for game day or a cozy, flavorful dinner.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course casserole, dinner
Cuisine American
Servings 6 people
Calories 400 kcal

Equipment

  • 1 9x13-inch baking dish greased
  • 1 mixing bowl
  • 1 oven

Ingredients
  

  • 2 cups cooked chicken shredded
  • 1/2 cup buffalo sauce adjust to taste
  • 1 cup heavy cream
  • 1 cup shredded cheddar cheese
  • 1/2 cup cream cheese softened
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • Salt and pepper to taste
  • Green onions for garnish optional

Instructions
 

  • Preheat the oven to 350°F (175°C).
  • In a large mixing bowl, combine shredded chicken, buffalo sauce, heavy cream, cream cheese, garlic powder, onion powder, salt, and pepper. Mix until well blended.
  • Transfer the mixture to a greased 9x13 inch baking dish. Evenly top with shredded cheddar cheese.
  • Bake for 25-30 minutes until the cheese is melted and bubbly.
  • Garnish with green onions if desired before serving.

Notes

  • Adjust buffalo sauce level for preferred spiciness.
  • Use leftover chicken for a quick prep.
  • Store leftovers in an airtight container for up to 3 days.

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