Cheesy Taco Chicken Casserole

Featured in: Weeknight Dinners

Enjoy a warm, comforting casserole with tender chicken tossed in taco seasoning, joined by black beans, corn, peppers, and onions for a zesty Tex-Mex touch. Diced tomatoes with green chilies add a mild kick, while sour cream and a generous topping of cheddar and Monterey Jack cheeses create creamy, gooey layers. Quick prep and bake time make it a perfect crowd-pleaser or weeknight meal option. Customize spice, beans, or toppings to suit your preference for an easy, satisfying main. Serve with chips, rice, or fresh salad, and garnish as desired.

Updated on Sat, 04 Oct 2025 09:55:18 GMT
Cheesy Taco Chicken Casserole fresh from the oven, cheese bubbling over savory Tex-Mex layers. Pin
Cheesy Taco Chicken Casserole fresh from the oven, cheese bubbling over savory Tex-Mex layers. | grillandbites.com

Cheesy Taco Chicken Casserole is your answer when you want something crave-worthy and crowd-pleasing without a lot of fuss. Packed with juicy chicken, bright Tex-Mex flavors, and gooey cheese, this is the dish I reach for when I need everyone at the table smiling—kids, picky eaters, and busy grownups included.

The first time I whipped this up, it was out of leftover rotisserie chicken, and now my family requests it for movie nights and game days. It is that comforting combination of melty cheese and spicy kick that gets everyone excited.

Ingredients

  • Cooked chicken breast: Shredded or diced for best casserole texture. Use rotisserie for max convenience and always go for organic or free-range for juicier meat
  • Black beans: Provide hearty texture and extra protein. Choose canned with no added salt and rinse well
  • Corn kernels: Bring bursts of sweetness and color. Fresh is best in summer but frozen or canned work anytime
  • Red bell pepper: Adds vibrant color and mild crunch. Pick a firm and glossy one
  • Onion: Sweetens as it cooks and creates the savory base. Yellow or white both work
  • Diced tomatoes with green chilies: Adds tang and the perfect amount of heat. Brands like Rotel give great flavor balance
  • Sour cream: Makes the casserole rich and creamy. Go for full-fat for extra decadence
  • Shredded cheddar cheese: Sharpness melts into every bite. Buy a block and shred it yourself for best flavor
  • Monterey Jack cheese: Creamy and mild, it stretches beautifully for that perfect cheesy pull
  • Taco seasoning: Delivers all those classic Tex-Mex spices. Make it yourself or check that store-bought is gluten-free and free of additives you do not want
  • Chopped cilantro: Adds fresh brightness as a garnish. Use flat leaves and skip if your family finds it soapy
  • Sliced green onions: Give color and a gentle onion kick at the end
  • Diced avocado: Brings creamy richness and a cool finish

Instructions

Prepare the Oven and Dish:
Set your oven to 375 degrees Fahrenheit or 190 degrees Celsius so it reaches full temperature before baking. Lightly grease a standard 9 x 13 inch baking dish with oil or spray to prevent sticking.
Sauté the Aromatics:
Heat a large skillet over medium. Add diced onion and red bell pepper and cook for about 3 to 4 minutes. Stir until the vegetables are fragrant and just starting to soften—this step builds the flavor foundation for the casserole.
Build the Filling:
Add shredded chicken to the skillet along with black beans corn and the entire can of diced tomatoes with green chilies including all the juice. Sprinkle over taco seasoning and spoon in the sour cream. Stir everything together and let it heat through for 2 to 3 minutes. The mixture should be warm and well combined before proceeding.
Mix in the Cheese:
Remove the skillet from heat. Toss in 1 cup of shredded cheddar and 1/2 cup of Monterey Jack cheese. Stir until the cheese is evenly distributed and begins to melt into the mixture—this ensures every bite is creamy and flavorful.
Assemble the Casserole:
Transfer the filling into your prepared baking dish. Spread it out evenly. Sprinkle the remaining cheddar and Monterey Jack cheeses over the top to cover the casserole in a generous layer.
Bake to Perfection:
Slide the baking dish onto the center rack. Let it bake for 20 to 25 minutes. Watch for the casserole to become bubbly around the edges and golden on top—this is when all the flavors meld and the cheese gets that irresistible crust.
Finish and Garnish:
Remove the casserole from the oven and let it rest for 5 minutes. This prevents the cheesy layers from slipping apart when served. Garnish with fresh cilantro sliced green onions and diced avocado for bright fresh flavor. Serve warm and enjoy every scoop.
Golden-baked Cheesy Taco Chicken Casserole topped with cilantro, ready to serve for dinner. Pin
Golden-baked Cheesy Taco Chicken Casserole topped with cilantro, ready to serve for dinner. | grillandbites.com

This dish always gets rave reviews from friends at potlucks, but my own favorite part is how the cheese gets perfectly bubbly on top and every bite is full of spicy creamy goodness.

Storage Tips

Leftovers should be cooled completely before covering tightly and refrigerating. This casserole keeps well for up to four days. If you want to prepare ahead, assemble the dish but wait to bake until you are ready. It also freezes nicely—just wrap securely and thaw completely before reheating in the oven.

Ingredient Substitutions

Feel free to use turkey instead of chicken for a post-holiday twist. Pinto beans work as a swap for black beans. If your family prefers less heat, choose mild diced tomatoes or leave out the green chilies. Substitute Greek yogurt for sour cream if you are looking for a lighter option.

Serving Suggestions

Serve big scoops with tortilla chips for a festive Tex-Mex meal or pile it on cilantro lime rice. A crisp green salad on the side adds freshness. For extra flair, offer more toppings like pickled jalapeños or sliced radishes so everyone can customize.

Cultural and Seasonal Context

This casserole is inspired by classic Tex-Mex taco night flavors and gets its crowd-pleasing edge from American-style cheesy casseroles. It is a winter go-to for us but works all year—just swap in seasonal veggies like zucchini or fresh summer corn.

Seasonal Adaptations

Use fresh sweet corn in the summer when it is at peak flavor. Swap in butternut squash or sweet potato cubes in the fall for extra color. Add chopped fresh tomatoes instead of canned in late summer for bright flavor.

Success Stories

I have made this for new parents as a freezer meal and always got the best thank-you notes. Friends have taken it to tailgates and it disappears in no time. My teenagers even asked for it as birthday dinner instead of takeout tacos once, and I count that as high praise.

Freezer Meal Conversion

To freeze, assemble the casserole in an aluminum or freezer-safe dish but do not bake. Wrap tightly and freeze for up to three months. When you are ready, bake straight from frozen at 350 degrees Fahrenheit until hot in the center and bubbly on top, about 50 to 60 minutes covered then 10 more minutes uncovered.

Close-up of Cheesy Taco Chicken Casserole showing melty cheese, colorful peppers, and chicken. Pin
Close-up of Cheesy Taco Chicken Casserole showing melty cheese, colorful peppers, and chicken. | grillandbites.com

This comforting casserole is perfect for busy weeknights and has become a family favorite. Enjoy your delicious homemade meal!

Recipe FAQ

Can I use rotisserie chicken for this dish?

Yes, using rotisserie chicken makes prep faster and adds great flavor. Simply shred the cooked chicken before mixing.

What are the best cheese options for the topping?

Cheddar and Monterey Jack melt well, creating a creamy, golden crust. Feel free to try pepper jack for extra spice.

How can I make this dish spicier?

Add chopped jalapeños, extra cayenne, or use spicy taco seasoning to kick up the heat to your liking.

Is there a gluten-free option available?

Yes, choose a certified gluten-free taco seasoning and check canned ingredients to ensure they’re gluten-free.

What sides pair well with this main?

Serve with tortilla chips, cilantro rice, or a fresh green salad to complement the flavors and textures.

Can I substitute the beans?

Black beans can be swapped for pinto beans or left out for a lower-carb option without sacrificing heartiness.

Cheesy Taco Chicken Casserole

Chicken, taco seasoning, beans, corn, and cheese blend in a flavorful, oven-baked Tex-Mex main dish.

Prep duration
15 min
Cook duration
30 min
Overall duration
45 min


Skill level Easy

Heritage Tex-Mex

Output 6 Portions

Dietary requirements None specified

Components

Poultry

01 3 cups cooked chicken breast, shredded or diced

Vegetables and Legumes

01 1 cup canned black beans, rinsed and drained
02 1 cup corn kernels
03 1 small red bell pepper, diced
04 1 small onion, diced

Pantry Staples

01 1 can (10 oz) diced tomatoes with green chilies, undrained
02 1 packet (1 oz) taco seasoning

Dairy

01 1/2 cup sour cream
02 2 cups shredded cheddar cheese
03 1 cup shredded Monterey Jack cheese

Optional Garnishes

01 Fresh cilantro, chopped
02 Green onions, sliced
03 Avocado, diced

Directions

Phase 01

Preheat and Prepare Baking Dish: Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.

Phase 02

Sauté Aromatics: In a large skillet over medium heat, sauté the diced onion and red bell pepper for 3–4 minutes until they begin to soften.

Phase 03

Combine Casserole Base: Add the shredded chicken, rinsed black beans, corn, undrained diced tomatoes with green chilies, taco seasoning, and sour cream to the skillet. Stir everything together and cook for 2–3 minutes until heated through.

Phase 04

Incorporate Cheese: Remove the skillet from the heat. Stir in 1 cup of the cheddar cheese and 1/2 cup of the Monterey Jack cheese until they are well distributed throughout the chicken mixture.

Phase 05

Assemble and Top: Transfer the chicken mixture to the prepared baking dish, spreading it evenly. Sprinkle the remaining cheddar and Monterey Jack cheese over the top.

Phase 06

Bake to Golden Perfection: Bake for 20–25 minutes, or until the casserole is bubbly and the cheese topping is golden brown.

Phase 07

Rest and Serve: Allow the casserole to rest for 5 minutes before serving. Garnish with optional chopped cilantro, sliced green onions, and diced avocado, if desired. Serve warm.

Tools needed

  • 9x13-inch baking dish
  • Large skillet
  • Mixing spoon
  • Chef's knife
  • Cutting board
  • Cheese grater (if using block cheese)

Allergy details

Review each ingredient for potential allergens and consult healthcare providers if you're uncertain about any components.
  • Contains dairy ingredients: cheese and sour cream.
  • Taco seasoning packets may contain soy or gluten; always check product labels.
  • Verify allergen information on all canned goods to prevent cross-contamination.

Nutrition breakdown (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy: 410
  • Fat: 22 g
  • Carbohydrates: 21 g
  • Protein: 33 g