This spicy keto chicken and cheese casserole is a delightful blend of flavors that will satisfy your cravings while keeping you on track with your low-carb diet. It's a perfect dish for a weeknight dinner, combining the richness of cheddar cheese and heavy cream with the savory goodness of shredded chicken and spices.
If you're heading to the supermarket, you might need to pick up heavy cream if it's not a staple in your fridge. Also, ensure you have cheddar cheese and shredded chicken on hand, as these are crucial for the recipe. The spices like garlic powder, onion powder, and paprika are usually found in the spice aisle.

Ingredients for Spicy Keto Chicken and Cheese Casserole
Shredded chicken: Cooked and shredded chicken breast or thigh meat, providing the main protein for the casserole.
Cheddar cheese: Shredded cheddar cheese adds a rich, creamy texture and sharp flavor.
Heavy cream: This adds a luxurious creaminess to the casserole, making it rich and satisfying.
Olive oil: Used to add a bit of healthy fat and help blend the ingredients together.
Garlic powder: Adds a subtle garlic flavor without the need for fresh garlic.
Onion powder: Provides a mild onion flavor that complements the other spices.
Paprika: Adds a smoky, slightly spicy flavor and a beautiful color to the dish.
Salt: Enhances the overall flavor of the casserole.
Black pepper: Adds a bit of heat and depth to the flavor profile.
Technique Tip for Making This Keto Casserole
To ensure your cheddar cheese melts evenly and creates a creamy texture, grate it yourself rather than using pre-shredded cheese. Pre-shredded cheese often contains anti-caking agents that can prevent it from melting smoothly.
Suggested Side Dishes
Alternative Ingredients
shredded chicken - Substitute with shredded turkey: Shredded turkey provides a similar texture and flavor profile, making it a great alternative for this casserole.
cheddar cheese - Substitute with mozzarella cheese: Mozzarella cheese melts well and offers a mild flavor that complements the dish.
heavy cream - Substitute with coconut cream: Coconut cream is a keto-friendly alternative that adds a creamy texture without the dairy.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a neutral flavor, making it a suitable replacement for olive oil.
garlic powder - Substitute with fresh garlic: Fresh garlic provides a more robust and aromatic flavor compared to garlic powder.
onion powder - Substitute with dried minced onion: Dried minced onion offers a similar flavor and texture, making it a good substitute for onion powder.
paprika - Substitute with cayenne pepper: Cayenne pepper adds a similar level of heat and a slightly different flavor profile, enhancing the spiciness of the dish.
salt - Substitute with sea salt: Sea salt provides a more natural and less processed option, maintaining the same level of saltiness.
black pepper - Substitute with white pepper: White pepper offers a similar heat and flavor but with a slightly different color, which can be beneficial for aesthetic purposes.
Other Alternative Recipes Similar to This Keto Casserole
How to Store or Freeze This Keto Casserole
Allow the casserole to cool completely before storing. This helps prevent condensation, which can make the dish soggy.
For short-term storage, transfer the casserole to an airtight container. Refrigerate for up to 3-4 days.
If you plan to freeze the casserole, portion it into individual servings. This makes reheating easier and reduces waste.
Wrap each portion tightly with plastic wrap, then place them in a freezer-safe bag or container. Label with the date for easy tracking.
To reheat from the refrigerator, preheat your oven to 350°F (175°C). Place the casserole in an oven-safe dish and cover with foil. Bake for 20-25 minutes, or until heated through.
For reheating from frozen, it's best to thaw the casserole in the refrigerator overnight. Once thawed, follow the same reheating instructions as above.
If you're in a hurry, you can reheat directly from frozen. Preheat your oven to 350°F (175°C), cover the casserole with foil, and bake for 45-50 minutes, or until hot and bubbly.
To maintain the cheddar cheese's texture, avoid microwaving the casserole. The oven method ensures a crispy, golden top.
Always check the internal temperature of the casserole to ensure it's heated to at least 165°F (74°C) for safe consumption.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover Spicy Keto Chicken and Cheese Casserole in an oven-safe dish.
- Cover the dish with aluminum foil to prevent the cheese from drying out.
- Heat for about 20-25 minutes, or until the casserole is heated through and the cheese is bubbly again.
- Remove the foil for the last 5 minutes if you want a crispy top.
Microwave Method:
- Transfer a portion of the casserole to a microwave-safe dish.
- Cover the dish with a microwave-safe lid or a damp paper towel to retain moisture.
- Heat on medium power for 2-3 minutes, stirring halfway through to ensure even heating.
- Check if the casserole is heated through. If not, continue heating in 30-second increments.
Stovetop Method:
- Place a non-stick skillet over medium heat.
- Add a small amount of olive oil or butter to the skillet.
- Add the leftover casserole to the skillet, breaking it up slightly to ensure even heating.
- Stir occasionally, heating for about 5-7 minutes until the casserole is warmed through and the cheese is melted.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the leftover casserole in an air fryer-safe dish.
- Heat for about 10-12 minutes, checking halfway through to ensure it doesn't overcook.
- If the top isn't crispy enough, you can increase the temperature to 375°F (190°C) for the last 2-3 minutes.
Best Tools for Preparing This Keto Delight
Oven: Used to bake the casserole at 375°F (190°C) until the top is golden and bubbly.
Mixing bowl: Used to combine the shredded chicken, cheddar cheese, heavy cream, olive oil, and spices.
Baking dish: Used to transfer the mixture and bake it in the oven.
Measuring cups: Used to measure out the shredded chicken, cheddar cheese, and heavy cream.
Measuring spoons: Used to measure the olive oil, garlic powder, onion powder, paprika, salt, and black pepper.
Spatula: Used to spread the mixture evenly in the baking dish.
Oven mitts: Used to safely handle the hot baking dish when removing it from the oven.
How to Save Time on Making This Keto Casserole
Pre-cook the chicken: Use rotisserie chicken or leftover chicken to save time on cooking and shredding.
Shred cheese in bulk: Shred cheddar cheese in advance and store it in the fridge for quick use.
Mix spices ahead: Combine garlic powder, onion powder, paprika, salt, and black pepper in a small container for easy seasoning.
Use a food processor: Quickly shred chicken and cheese using a food processor to save prep time.

Spicy Keto Chicken and Cheese Casserole Recipe
Ingredients
Main Ingredients
- 2 cups Shredded chicken
- 1 cup Cheddar cheese, shredded
- 1 cup Heavy cream
- 1 tablespoon Olive oil
- 1 teaspoon Garlic powder
- 1 teaspoon Onion powder
- 1 teaspoon Paprika
- 1 teaspoon Salt
- 1 teaspoon Black pepper
Instructions
- Preheat your oven to 375°F (190°C).
- In a mixing bowl, combine shredded chicken, cheddar cheese, heavy cream, olive oil, garlic powder, onion powder, paprika, salt, and black pepper.
- Transfer the mixture to a baking dish and spread it out evenly.
- Bake in the preheated oven for 30 minutes, or until the top is golden and bubbly.
- Let it cool for a few minutes before serving. Enjoy!
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