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King Ranch Chicken Casserole

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A creamy, cheesy Tex-Mex casserole layered with seasoned chicken, sautéed vegetables, tortilla strips, and melted cheddar, all baked to bubbly perfection without using canned soup.

  • Total Time: 1 hour
  • Yield: 8 servings

Ingredients

  • 2 tablespoons olive oil (divided)
  • 1 red bell pepper, diced
  • 1 green bell pepper, diced
  • 1 large yellow onion, diced
  • 4 ounces baby Bella mushrooms, finely diced
  • 1 jalapeño, seeded and diced
  • 2 teaspoons salt (divided)
  • 1 pound chicken breast, diced into ½-inch pieces
  • ½ teaspoon black pepper
  • 3 garlic cloves, minced
  • 1 teaspoon ground cumin
  • 1 teaspoon chili powder
  • ½ teaspoon dried oregano
  • 2 tablespoons flour
  • 1 cup chicken broth
  • 1 can (10 ounces) Ro-Tel, drained
  • 1 can (4 ounces) diced green chiles, drained
  • ½ cup sour cream
  • 12 corn tortillas, sliced into ½-inch strips
  • 2 cups shredded cheddar cheese (divided)
  • Fresh cilantro for garnish

Instructions

  1. Preheat oven to 400°F (200°C).
  2. In a large skillet, heat 1 tablespoon olive oil over medium-high heat. Add bell peppers, onion, mushrooms, jalapeño, and 1 teaspoon salt. Cook for about 10 minutes, stirring often, until vegetables soften. Transfer to a 9×13 inch casserole dish.
  3. Add remaining olive oil to the skillet. Add chicken, remaining salt, black pepper, garlic, cumin, chili powder, and oregano. Cook for 8–10 minutes until chicken is cooked through.
  4. Sprinkle flour over the chicken and stir to coat. Cook for 1–2 minutes.
  5. Slowly pour in chicken broth and bring to a boil. Reduce heat and simmer for 3–5 minutes until thickened.
  6. Stir in Ro-Tel, green chiles, and sour cream until combined.
  7. Pour the chicken mixture into the casserole dish with vegetables. Add tortilla strips and 1 cup of cheese. Mix gently and spread evenly.
  8. Top with remaining 1 cup cheese.
  9. Bake uncovered for 15 minutes until cheese is melted and bubbly. Let rest for 5–10 minutes before serving. Garnish with cilantro.

Notes

  • Rotisserie chicken can be used for a shortcut.
  • Adjust spices or jalapeños to your heat preference.
  • Flour tortillas can be used but yield a softer texture.
  • Letting it rest before serving helps it set and enhances flavor.
  • Author: Amelia
  • Prep Time: 25 minutes
  • Cook Time: 15 minutes
  • Category: Main Course
  • Method: Baked
  • Cuisine: Tex-Mex
  • Diet: Halal

Nutrition

  • Serving Size: 1/8 of casserole
  • Calories: 390
  • Sugar: 4g
  • Sodium: 740mg
  • Fat: 22g
  • Saturated Fat: 9g
  • Unsaturated Fat: 11g
  • Trans Fat: 0g
  • Carbohydrates: 22g
  • Fiber: 3g
  • Protein: 27g
  • Cholesterol: 85mg