This spicy keto chicken and cheese casserole is a delightful low-carb dish that combines the rich flavors of cheddar cheese and shredded chicken with a kick of spice. Perfect for those following a keto diet, this casserole is both satisfying and easy to prepare, making it an ideal weeknight dinner option.
While most of the ingredients in this recipe are common pantry staples, you might need to pick up heavy cream and red pepper flakes if they are not already in your kitchen. Heavy cream is essential for creating the creamy texture of the casserole, and red pepper flakes add the necessary heat to make this dish spicy.

Ingredients for Spicy Keto Chicken and Cheese Casserole
Chicken: Cooked and shredded, this forms the protein base of the casserole.
Cheddar cheese: Shredded, it adds a rich, cheesy flavor and helps bind the casserole together.
Heavy cream: Provides a creamy texture and richness to the dish.
Butter: Adds flavor and helps to create a smooth sauce.
Garlic powder: Adds a subtle garlic flavor without the need for fresh garlic.
Onion powder: Provides a mild onion flavor to the casserole.
Paprika: Adds a smoky flavor and a bit of color to the dish.
Salt: Enhances the overall flavor of the casserole.
Black pepper: Adds a mild heat and depth of flavor.
Red pepper flakes: Provides the spicy kick that makes this dish stand out.
Technique Tip for This Recipe
When combining the shredded chicken and cheddar cheese with the heavy cream, ensure that the butter is melted and evenly distributed throughout the mixture. This will help create a smoother, creamier texture and ensure that the spices like garlic powder, onion powder, paprika, salt, black pepper, and red pepper flakes are well incorporated, giving the casserole a consistent flavor in every bite.
Suggested Side Dishes
Alternative Ingredients
cooked chicken - Substitute with cooked turkey: Turkey has a similar texture and flavor profile, making it a great alternative for chicken in casseroles.
cheddar cheese - Substitute with mozzarella cheese: Mozzarella melts well and has a mild flavor that complements the dish.
heavy cream - Substitute with coconut cream: Coconut cream provides a rich, creamy texture while keeping the dish dairy-free.
butter - Substitute with ghee: Ghee has a higher smoke point and adds a nutty flavor, making it a good alternative to butter.
garlic powder - Substitute with fresh garlic: Fresh garlic offers a more robust and aromatic flavor compared to garlic powder.
onion powder - Substitute with finely chopped onions: Fresh onions provide a stronger and more natural onion flavor.
paprika - Substitute with cayenne pepper: Cayenne pepper adds a similar heat and depth of flavor but is spicier, so use less.
salt - Substitute with soy sauce: Soy sauce adds saltiness along with a rich umami flavor.
black pepper - Substitute with white pepper: White pepper has a milder flavor and is less visually noticeable in the dish.
red pepper flakes - Substitute with chili powder: Chili powder provides a similar heat level and adds a bit of smokiness to the dish.
Alternative Recipes Similar to This Dish
How To Store or Freeze This Dish
- Allow the casserole to cool completely before storing. This helps prevent condensation, which can make the dish soggy.
- Transfer the cooled casserole to an airtight container. If you don't have one large enough, you can use multiple smaller containers.
- Store the container in the refrigerator if you plan to eat the casserole within 3-4 days. For longer storage, proceed to freezing.
- To freeze, wrap the casserole tightly with plastic wrap, then cover with a layer of aluminum foil. This double-layer method helps prevent freezer burn.
- Label the container with the date and contents. This makes it easy to identify and ensures you use it within 2-3 months for the best quality.
- When ready to reheat, thaw the casserole in the refrigerator overnight. This gradual thawing helps maintain the texture and flavor.
- Preheat your oven to 350°F (175°C). Remove any plastic wrap and foil, then transfer the casserole to an oven-safe dish if it’s not already in one.
- Cover the casserole with foil to prevent it from drying out and bake for 20-25 minutes, or until heated through. Remove the foil for the last 5 minutes to allow the top to crisp up.
- For a quicker option, you can reheat individual portions in the microwave. Place a portion on a microwave-safe plate, cover with a microwave-safe lid or another plate, and heat on medium power for 2-3 minutes, or until hot.
- Add a fresh sprinkle of cheddar cheese on top before reheating to enhance the cheesy goodness.
How To Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover casserole in an oven-safe dish.
- Cover the dish with aluminum foil to prevent the top from drying out.
- Heat for about 20-25 minutes, or until the casserole is heated through and the cheese is bubbly.
Microwave Method:
- Transfer a portion of the casserole to a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap with a small vent.
- Heat on medium power for 2-3 minutes, stirring halfway through to ensure even heating.
- Check the temperature and heat for an additional 1-2 minutes if necessary.
Stovetop Method:
- Place a non-stick skillet over medium heat.
- Add a small amount of butter or olive oil to the skillet.
- Add the leftover casserole to the skillet and cover with a lid.
- Heat for about 10-15 minutes, stirring occasionally, until the casserole is heated through.
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 10-15 minutes, checking halfway through to ensure even heating.
- If the top starts to brown too quickly, cover with aluminum foil for the remaining time.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the leftover casserole in a toaster oven-safe dish.
- Cover with aluminum foil to prevent the top from drying out.
- Heat for about 15-20 minutes, or until the casserole is heated through and the cheese is bubbly.
Essential Tools for This Recipe
Oven: Used to bake the casserole at the required temperature of 375°F (190°C).
Mixing bowl: Used to combine the shredded chicken, cheddar cheese, heavy cream, butter, and spices.
Baking dish: Used to transfer the mixture into and bake in the oven.
Measuring cups: Used to measure out the ingredients like heavy cream and shredded chicken.
Measuring spoons: Used to measure out the spices such as garlic powder, onion powder, paprika, salt, black pepper, and red pepper flakes.
Wooden spoon: Used to mix the ingredients together in the mixing bowl.
Oven mitts: Used to safely remove the hot baking dish from the oven.
Cheese grater: Used to shred the cheddar cheese if it is not pre-shredded.
Knife: Used to shred the cooked chicken if it is not pre-shredded.
Cutting board: Used as a surface to shred the cooked chicken.
How to Save Time on This Recipe
Pre-cook the chicken: Use pre-cooked chicken from the store to save time on preparation.
Shred cheese in bulk: Shred cheddar cheese in advance and store it in the fridge for quick use.
Use garlic and onion powder: Opt for garlic powder and onion powder instead of fresh to cut down on chopping time.
Mix in the baking dish: Combine all ingredients directly in the baking dish to minimize cleanup.
Batch cook: Make a double batch and freeze half for a quick meal later.

Spicy Keto Chicken and Cheese Casserole
Ingredients
Main Ingredients
- 2 cups Cooked Chicken, shredded
- 1 cup Cheddar Cheese, shredded
- 1 cup Heavy Cream
- 1 tablespoon Butter
- 1 teaspoon Garlic Powder
- 1 teaspoon Onion Powder
- 1 teaspoon Paprika
- 1 teaspoon Salt
- 0.5 teaspoon Black Pepper
- 0.5 teaspoon Red Pepper Flakes
Instructions
- Preheat your oven to 375°F (190°C).
- In a mixing bowl, combine the shredded chicken, cheddar cheese, heavy cream, butter, garlic powder, onion powder, paprika, salt, black pepper, and red pepper flakes.
- Transfer the mixture to a baking dish and spread it out evenly.
- Bake in the preheated oven for 25-30 minutes, or until the top is golden and bubbly.
- Remove from the oven and let it cool for a few minutes before serving.
Nutritional Value
Keywords
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