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Classic Lone Star King Ranch Chicken Casserole

A bold, cheesy Texas King Ranch chicken casserole layered with shredded chicken, corn tortillas, and a smoky cream sauce, perfect for a comforting family dinner ready in under an hour.
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Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Servings: 8 servings
Course: Dinner, Main Course
Cuisine: American, Tex-Mex
Calories: 420
Ingredients Equipment Method Notes

Ingredients
  

  • 4 cups cooked chicken shredded; rotisserie chicken works perfectly
  • 1 large onion diced
  • 1 green bell pepper diced
  • 1 can Ro-Tel diced tomatoes and green chilies 10 oz, undrained
  • 1 can condensed cream of chicken soup 10.5 oz
  • 1 can condensed cream of mushroom soup 10.5 oz
  • 1 cup chicken broth low-sodium preferred
  • 1 tbsp chili powder
  • 1 tsp garlic powder
  • 0.5 tsp ground cumin
  • 12 corn tortillas torn into bite-sized pieces; use up to 15 as needed
  • 2 cups shredded sharp cheddar cheese freshly shredded from block recommended
  • 1 cup shredded Monterey Jack cheese freshly shredded from block recommended

Equipment

  • 9x13-inch baking dish
  • large skillet
  • large mixing bowl

Method
 

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish and set aside.
  2. Heat a large skillet over medium heat. Add the diced onion and green bell pepper and sauté for 5 to 6 minutes, until softened and slightly translucent. Remove from heat.
  3. In a large mixing bowl, whisk together the cream of chicken soup, cream of mushroom soup, chicken broth, undrained Ro-Tel, chili powder, garlic powder, and cumin until smooth and well combined. Stir in the sautéed vegetables and shredded chicken.
  4. Spread one-third of the torn corn tortillas in an even layer across the bottom of the prepared baking dish.
  5. Spoon one-third of the chicken and sauce mixture over the tortillas and spread evenly. Sprinkle one-third of the combined cheddar and Monterey Jack cheeses over the top.
  6. Repeat the layering process two more times: tortillas, chicken mixture, then cheese, ending with a generous, even layer of cheese across the very top.
  7. Bake uncovered for 30 to 35 minutes, until the cheese is golden and the edges are bubbling actively.
  8. Remove from the oven and allow the casserole to rest for 10 minutes before slicing and serving. This rest period lets the layers set for cleaner portions.

Notes

Storage: Refrigerate leftovers in an airtight container for up to 4 days. Freeze in portions for up to 3 months; thaw overnight in the fridge before reheating. Reheating: Cover with foil and warm at 325°F for 15 to 20 minutes, or microwave individual portions for 2 to 3 minutes. Substitutions: Use reduced-fat condensed soups to lighten the dish. Add a diced jalapeño to the sauté for extra heat. For a gluten-free version, verify that your condensed soups are certified GF since corn tortillas are naturally gluten-free. Serving: Top with sour cream or Greek yogurt, fresh avocado slices, cilantro, sliced jalapeños, and a squeeze of lime.