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King Ranch Chicken Casserole is a favorite Southern comfort food dish! Layers of tortillas, creamy chicken and peppers, and shredded cheese. It’s an easy dinner that uses less than 10 ingredients and only 10 minutes of prep time!

Try my Poppy Seed Chicken Casserole or Doritos Chicken Casserole next!

Chicken casserole with peppers in tomtaotes and cheese in a white casserole dish.
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Why I Love This Recipe

  • Only 10 minutes of prep time!
  • Less than 10 simple ingredients.
  • Great recipe to use up leftover cooked chicken.
  • Freezes really well – Double the recipe and make a second casserole to freeze for later.


  • Olive Oil – you can also use another cooking oil like canola oil or avocado oil.
  • Vegetables – Small Onion and Green Bell Peppers, diced small and roughly the same size.
  • Cooked and Chopped Chicken Breasts – A perfect use for leftover chicken. Chicken thighs work too, or even a rotisserie chicken.
  • Canned Cream of Chicken Soup – You’ll use it as-is, undiluted. 
  • Canned Cream of Mushroom Soup – You’ll use it as-is, undiluted. 
  • Canned Diced Tomatoes with Green Chiles – like Rotel.
  • Corn Tortillas – Do not use flour tortillas.
  • Shredded Cheddar Cheese – Freshly grated off the block.

How To Make King Ranch Chicken Casserole

See recipe card below for ingredient quantities and full instructions.

This Chicken Casserole is easy to make so dinner will be ready in under 45 minutes!

  1. Prep – Start by preheating the oven and spraying a 9×13 inch baking dish with nonstick spray.
  2. Make Filling – In a large skillet, heat up the oil and cook the onion and pepper until tender then add the chicken, cream of chicken and mushroom soup, and diced tomatoes. Stir well until combined.
  3. Assemble Casserole – In the greased baking dish, place half of the tortillas until the base of the dish is covered. Spoon half of the chicken mixture and sauce over the tortillas – make sure to spread corner to corner. Sprinkle with half of the shredded cheese, then repeat with the rest of the tortillas, chicken, and cheese.
  4. Bake – Place the casserole into the oven, uncovered, and bake until hot and bubbly.
chicken, onions, peppers, tomatoes, condensed chicken and mushroom soups in a skillet.
Layer of corn tortillas in a casserole dish.
Chicken and condensed soup mixture spread over corn tortillas in a white casserole dish.
Baked casserole with melted cheese on top in a white casserole dish.

Recipe FAQs

What is King Ranch Casserole made of?

King Ranch Casserole is a Tex-Mex casserole that is believed to be named after King Ranch, Texas. It is made out of tortillas that are layered with a creamy chicken and pepper mixture and shredded cheese that is then baked in the oven until bubbly.

How long does it take to cook King Ranch?

The King Ranch Casserole takes about 35 minutes to cook in the oven.

What other spices can be used?

The diced tomatoes with green chiles along with the canned soups give this casserole flavor, but if you want to add more spices for a kick then I like to use cumin, chile powder (or ancho chile powder), and even a little cayenne pepper for added spice.

How do you freeze a King Ranch Casserole?

Prepare the casserole to just before baking, then cover with plastic wrap and foil and freeze for up to 3 months. To reheat from frozen, thaw first in the refrigerator overnight.

Can you prepare this casserole in advance?

Yes, prepare the casserole to just before baking, cover and refrigerate for the day then bake as directed.

Serving Suggestions

I love that this recipe is super filling on its own! To round out the meal, you can pair with other tex-mex inspired sides like these easy Mexican black beans or Mexican street corn salad.

For toppings or garnishes, try sour cream, cilantro or crispy tortilla strips.


Leftovers can be stored, covered, in the fridge for up to 4 days. You can also freeze leftover portions for up to 3 months. I prefer to freeze in individual servings for faster thawing/reheating. Thaw completely before reheating.

chicken and cheese casserole portion on a small plate with a fork.

Pro Tips

  • Halve the Recipe – If you’re feeding less people this recipe can be cut in half and baked in a 8×8 inch or 9×9 inch baking dish instead.
  • Grease Well – It is important to grease your baking dish with either butter or a cooking spray. Otherwise, the tortillas will stick to the bottom.
  • Overlap the Tortillas – You want to overlap the corn tortillas. You can use more or less as you prefer, but you want them layered like a lasagna.
  • Spread Filling Edge to Edge – It is important to spread the filling to fit each corner, otherwise you will end up with tortilla only corners.
  • Use Sharp Knife for Serving – Before serving, I like to let it cool for a few minutes then use a sharp knife to cut pieces and a spatula to lift them out.
  • Cheese Variation – In place of or in combination with, I sometimes like to add Monterey Jack for a milder flavor, or Pepper Jack for a little more heat.
  • Hot Tip! Don’t have enough corn tortillas? Try using tortilla chips instead!

More Easy Casserole Recipes

king ranch chicken casserole in a baking dish with a wooden spoon.

King Ranch Chicken Casserole

5 from 2 votes
King Ranch Chicken Casserole is an easy comfort food dish with layers of tortillas, creamy chicken and peppers, and shredded cheese.
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 8


  • 2 tablespoons extra virgin olive oil
  • 1 small onion diced (about 1 cup)
  • 1 green pepper diced (about 1 cup)
  • 3 cups chicken cooked and chopped into bite-sized pieces
  • 10.5 ounces canned cream of chicken soup undiluted
  • 10.5 ounces canned cream of mushroom soup undiluted
  • 10 ounces canned diced tomatoes with green chiles
  • 16 corn tortillas cut in half
  • 4 cups shredded cheddar cheese divided


  • Preheat the oven to 350 degrees and prepare a 9×13 dish with a coating of nonstick spray.
  • In an extra large skillet, heat the oil over medium high heat and cook onion and green pepper until tender.
  • Add the chicken, cream of chicken soup, mushroom soup and tomatoes to the skillet and stir until well combined.
  • In the prepared baking dish, arrange half of the tortillas until the base of the dish is covered.
  • Spoon half of the chicken mixture over the tortillas, spreading out evenly to each corner.
  • Sprinkle two cups of the cheddar cheese over the chicken mixture.
  • Repeat steps 4-6 again, layering the remaining tortillas, chicken mixture and cheese.
  • Place the casserole into the oven, uncovered and bake for 35 minutes or until hot and bubbly.


  • Grease the pan well, otherwise the tortillas will stick to the bottom. 
  • Make sure to OVERLAP the corn tortillas so they completely cover the bottom of the pan.
  • Serving this dish can be difficult. I preferred using a sharp knife to cut through the tortillas all the way to the bottom.


Calories: 652kcalCarbohydrates: 43gProtein: 31gFat: 41gSaturated Fat: 18gPolyunsaturated Fat: 4gMonounsaturated Fat: 13gTrans Fat: 0.03gCholesterol: 102mgSodium: 1249mgPotassium: 475mgFiber: 6gSugar: 4gVitamin A: 1014IUVitamin C: 22mgCalcium: 622mgIron: 3mg

Kristin Maxwell

Kristin Maxwell is the creator and main recipe developer, writer, and photographer of Yellow Bliss Road. A self-taught cook and self-appointed foodie, she specializes in easy, flavorful and approachable recipes for any home cook.

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  1. Great recipe! My first go of it was a bit off though. I really appreciate that your recipes have the serving slider to auto adjust quantities. That’s amazing and useful, thanks. However it confused me as the recipe then calls to prepare a 9×13 dish but not for which serving size, and I accidentally started a double batch without realizing until it was a bit too late to stop. If that somehow adjusted with it, that’d be fab, but honestly it was just on me to have noticed sooner. But glad I have a double cause the recipe is delicious and five people all enjoyed it. Thanks!

    1. Hi Zed, I’m glad that you all enjoyed the recipe – it’s a good one! Unfortunately the plugin we use only has the capability to adjust quantities of ingredients and not the anything in the actual instructions, but I’ll definitely make that recommendation to the developer!

  2. What’s not to love?! I haven’t had King Ranch Chicken since I was a kid and this was fantastic. I would cut the tortillas into bite-size pieces next time but this had great flavor. I can’t wait for leftovers.