Chicken Taco Casserole Recipe
Introduction
This Chicken Taco Casserole is a flavorful and comforting dish perfect for busy weeknights. Loaded with tender chicken, black beans, and melty cheddar cheese, it brings all the best taco flavors together in one easy bake. Serve it with your favorite toppings for a crowd-pleasing meal.

Ingredients
- 1 lb chicken tenderloins (cooked and diced; chicken breast or rotisserie chicken also fine)
- 1 can black beans (14.5 oz)
- 1 can diced tomatoes (14.5 oz)
- 1 small white onion
- 1 red bell pepper
- ½ packet taco seasoning
- 1 cup shredded cheddar cheese
- 1 cup sour cream
- 1 lime (juiced)
- 2 tbsp green onions (diced)
- Cooking spray
- Sour cream (for serving)
- Avocado slices (for serving)
- Jalapeño slices (for serving)
- Tortilla chips (for serving)
- Salsa (for serving)
Instructions
- Step 1: Preheat your oven to 350°F (175°C).
- Step 2: Strain and rinse the black beans. Dice the white onion and red bell pepper into small pieces using a vegetable chopper or knife.
- Step 3: In a mixing bowl, combine the cooked and diced chicken, sour cream, lime juice, diced tomatoes, and taco seasoning. Stir gently with a rubber spatula and fold in ½ cup of shredded cheddar cheese.
- Step 4: Spray a 9×13 inch casserole dish with cooking spray. Add the black beans, diced peppers, and diced onions to the dish and mix to combine evenly.
- Step 5: Spread the chicken and sour cream mixture evenly over the black bean and vegetable base. Sprinkle the remaining ½ cup of shredded cheddar cheese on top and garnish with diced green onions.
- Step 6: Bake in the preheated oven for 28 to 30 minutes, or until the cheese is bubbly and golden brown.
- Step 7: Serve hot, topped with dollops of sour cream, fresh avocado slices, jalapeño slices, crumbled tortilla chips, and your favorite salsa. Enjoy!
Tips & Variations
- Use rotisserie chicken for a quicker version without compromising on flavor.
- Add a can of corn for extra sweetness and texture.
- Swap cheddar cheese for Monterey Jack or a Mexican cheese blend.
- For extra heat, mix in chopped fresh jalapeños or a dash of hot sauce into the chicken mixture.
- Serve with warm tortillas instead of chips for a softer texture experience.
Storage
Store leftovers covered in the refrigerator for up to 3 days. Reheat in the oven at 350°F until warm, or microwave in short intervals to avoid drying out. This casserole also freezes well; thaw overnight in the refrigerator before reheating.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use chicken breast instead of tenderloins?
Yes, chicken breast works perfectly. Just cook and dice it before mixing with the other ingredients.
Is this recipe gluten-free?
Yes, this casserole is naturally gluten-free as long as your taco seasoning and other ingredients don’t contain gluten. Always check labels to be sure.
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Chicken Taco Casserole Recipe
- Total Time: 45 minutes
- Yield: 6 servings 1x
Description
This Chicken Taco Casserole is a flavorful and easy weeknight dinner combining shredded chicken, seasoned black beans, diced vegetables, and melted cheddar cheese, baked to perfection and topped with fresh avocado, jalapeños, and crunchy tortilla chips for a delightful Tex-Mex twist.
Ingredients
Protein & Dairy
- 1 lb Chicken tenderloins (cooked and diced; chicken breast or rotisserie chicken also fine)
- 1 cup shredded Cheddar cheese
- 1 cup Sour cream
Vegetables & Canned Goods
- 1 can Black beans (14.5 oz, strained and rinsed)
- 1 can diced Tomatoes (14.5 oz)
- 1 small White onion (diced)
- 1 Red bell pepper (diced)
- 2 tbsp Green onions (diced)
- 1 Lime (juiced)
Seasonings
- ½ packet Taco seasoning
Other
- Cooking spray
- Sour cream (for serving)
- Avocado slices (for serving)
- Jalapeño slices (for serving)
- Tortilla chips (for serving)
- Salsa (for serving)
Instructions
- Preheat the oven: Preheat your oven to 350°F (175°C) to ensure it’s ready when the casserole is assembled.
- Prepare the vegetables and beans: Strain and rinse the black beans thoroughly to remove excess sodium and liquid. Dice the white onion and red bell pepper finely using a vegetable chopper or knife for even cooking and texture.
- Mix the chicken filling: In a large mixing bowl, combine the cooked and shredded chicken tenderloins with sour cream, fresh lime juice, diced tomatoes, and taco seasoning. Stir everything together gently with a rubber spatula to evenly coat the chicken, then fold in half a cup of shredded cheddar cheese.
- Prepare the casserole base: Spray a 9×13 inch casserole dish with cooking spray to prevent sticking. Pour in the black beans, diced onions, and diced bell peppers, mixing them gently to form an even vegetable base layer.
- Assemble the casserole: Spread the chicken and sour cream mixture evenly over the black bean and vegetable base in the casserole dish. Sprinkle the remaining ½ cup of shredded cheddar cheese on top and garnish with diced green onions.
- Bake the casserole: Place the dish in the preheated oven and bake for 28-30 minutes, or until the cheese is bubbly and golden brown, indicating the casserole is heated through and flavors melded.
- Serve with toppings: Remove from oven and let rest briefly. Serve portions topped with dollops of sour cream, fresh avocado slices, jalapeño slices for heat, and crumbled tortilla chips for crunch. Accompany with salsa if desired. Enjoy your hearty, flavorful chicken taco casserole!
Notes
- Leftover rotisserie chicken works great for this recipe to save preparation time.
- Adjust jalapeño slices according to your heat preference or omit for mild flavor.
- Use low-fat sour cream to reduce fat content if desired.
- Ensure to rinse canned black beans well to reduce sodium levels.
- This casserole can be prepared a day ahead and refrigerated before baking.
- For a spicier version, add an extra ¼ packet of taco seasoning or a pinch of chili powder.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Main Course
- Method: Baking
- Cuisine: Tex-Mex
Keywords: chicken taco casserole, easy weeknight dinner, Tex-Mex casserole, baked chicken casserole, taco seasoning recipe

