Chili Chicken Casserole

Get ready to tantalize your taste buds with a culinary journey into the world of Chili Chicken Casserole. In this extensive guide, we’ll uncover the secrets to creating a delicious, hearty casserole that’s perfect for family dinners, potlucks, or any occasion that demands comfort food. Whether you’re a seasoned home cook or just starting on your culinary adventures, this recipe offers a straightforward, step-by-step approach. From assembling the essential ingredients to mastering the instructions, understanding cook’s notes, exploring exciting variations, and accommodating keto and low-carb preferences, this blog post has you covered. Let’s dive into the savory world of Chili Chicken Casserole and enjoy the culinary ride.


To prepare Chili Chicken Casserole, you will need the following ingredients:

  • 4 cups cooked and shredded chicken
  • 1 can (15 oz) black beans, drained and rinsed
  • 1 can (15 oz) corn kernels, drained
  • 1 can (10 oz) diced tomatoes with green chilies
  • 1/2 cup diced bell peppers (any color)
  • 1/2 cup diced red onion
  • 2 cups shredded cheddar cheese
  • 2 cups sour cream
  • 2 teaspoons chili powder
  • 1 teaspoon cumin
  • 1/2 teaspoon garlic powder
  • Salt and pepper to taste
  • Optional toppings: chopped cilantro, diced avocado, or sour cream


1. Preparing the Casserole: Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish and set it aside.

2. Mixing the Ingredients: In a large mixing bowl, combine the shredded chicken, black beans, corn, diced tomatoes with green chilies, diced bell peppers, and diced red onion. Mix them well to ensure even distribution of ingredients.

3. Seasoning the Mixture: Add the chili powder, cumin, garlic powder, salt, and pepper to the mixture. Stir until the seasoning is evenly distributed.

4. Layering the Casserole: Start by layering half of the chicken and vegetable mixture into the prepared baking dish. Spread it evenly to create the first layer.

5. Adding Cheese and Sour Cream: Next, add one cup of shredded cheddar cheese evenly over the first layer. Follow this with one cup of sour cream, spreading it gently to cover the cheese layer.

6. Building the Second Layer: Repeat the process by adding the remaining chicken and vegetable mixture over the cheese and sour cream layer. Spread it evenly to create the second layer.

7. Topping the Casserole: Finish the casserole by adding the remaining one cup of cheddar cheese on top.

8. Baking and Serving: Place the casserole in the preheated oven and bake for 30-35 minutes or until the cheese is bubbling and golden brown. Once done, remove it from the oven and let it rest for a few minutes before serving. Optionally, top individual servings with chopped cilantro, diced avocado, or a dollop of sour cream.

Cooking Notes 

When preparing Chili Chicken Casserole, using pre-cooked chicken makes the process quicker. You can use rotisserie chicken, leftover roast chicken, or simply poached chicken breasts or thighs. Additionally, feel free to adjust the level of spiciness to your liking by choosing mild or hot diced tomatoes with green chilies.


While the classic Chili Chicken Casserole is a crowd-pleaser, you can add variety to your meals with these variations:

  1. Vegetarian Option: Omit the chicken and make it a vegetarian casserole by increasing the beans and vegetables. You can also add tofu or plant-based protein.
  2. Tex-Mex Twist: Add sliced jalapeños, diced green chilies, and a layer of crushed tortilla chips for a Tex-Mex-inspired version.

Keto Version 

For those following a keto diet, you can adapt the Chili Chicken Casserole into a keto-friendly option. Replace the black beans and corn with diced zucchini, bell peppers, and cauliflower. Use full-fat sour cream and keto-friendly cheese. Adjust the seasoning to enhance the flavor while keeping the carb count low.

Low-Carb Version

Creating a low-carb version of Chili Chicken Casserole is as simple as swapping certain ingredients. Replace the black beans and corn with green beans or diced carrots. Opt for a low-carb tomato sauce instead of diced tomatoes with chilies, and use a low-carb yogurt in place of sour cream.


Chili Chicken Casserole is a comforting, versatile dish that caters to a range of preferences and dietary needs. Whether you stick with the classic recipe or explore various versions to accommodate keto or low-carb diets, the result is a delicious and filling casserole that’s sure to satisfy your cravings. So, gather your ingredients, prepare this savory delight, and share it with your loved ones. It’s a hearty, flavorful meal that brings people together over a shared love of good food. Enjoy your culinary adventure with Chili Chicken Casserole!

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