This King Ranch Casserole is simple to prepare in the slow cooker. With a creamy southwest-style sauce, tender shredded chicken and torn corn tortillas, it’s a family-friendly meal that reheats beautifully.
If you enjoyed the chicken enchilada casserole, you’ll appreciate the familiar textures here but with a rich southwest sauce instead of enchilada sauce. This slow-cooker King Ranch Casserole feeds a crowd, freezes well, and makes satisfying leftovers for busy weeks.
Key Ingredients
Chicken: Boneless, skinless breasts that cook tender and shred easily.
Rotel: Diced tomatoes with green chiles add brightness and a little heat.
Corn Tortillas: Torn corn tortillas are added near the end to bind the casserole together.
Sauce: Heavy cream whisked with cornstarch and spices makes a smooth, creamy base—no canned soups required.
Cheddar Cheese: Shredded cheddar melts through the dish for a classic cheesy finish.
How to Make King Ranch Casserole
- Place seasoned chicken, diced onion, chicken broth and Rotel in the slow cooker and cook until the chicken is very tender.
- Remove the chicken, shred it, then stir it back into the cooker.
- Whisk heavy cream and cornstarch until smooth, then add to the slow cooker along with torn corn tortillas and shredded cheddar. Stir, cover, and cook until bubbly and the cheese is melted.
Sarah’s Tips & Variations
Flour Tortillas: I don’t recommend flour tortillas for this slow-cooker version; they can get gluey if the casserole sits. For individually assembled portions, flour tortillas work better.
Beef Version: Swap stew meat for chicken and use beef broth for a beefy ranch-style casserole.
Add-ins: Stir in a cup of black beans, frozen or fresh corn, or sautéed bell peppers for extra texture and flavor.
How to Serve King Ranch Casserole
Serving ideas: Serve over tortilla chips or steamed white rice for a satisfying variation.
Toppings: Sour cream, fresh cilantro, chopped tomatoes and sliced green onions complement the casserole, but it’s also delicious on its own.
Sides: To stretch the meal, serve with refried beans, Spanish rice, or a crisp green salad.
How to Store & Reheat
Refrigerate leftovers in an airtight container for 3–4 days. You can freeze portions for up to three months.
Reheat gently in the microwave or on the stovetop over low heat. Add a splash of chicken broth or water if the casserole has thickened.
King Ranch Chicken Casserole Recipe
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How to Video
Equipment
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Slow cooker, 6-quart or larger
Ingredients
- 1 ½ pounds boneless skinless chicken breasts
- ½ cup chicken broth
- 1 medium onion, diced
- 10 oz. can Rotel tomatoes
- 1 tsp. cumin
- 1 tsp. chili powder
- ½ tsp. garlic powder
- ½ tsp. oregano
- 1 tsp. salt
- ½ tsp. black pepper
- 1 cup heavy cream
- 1 ½ Tbsp. cornstarch
- 8-10 corn tortillas, torn into pieces
- 2 cups shredded cheddar cheese
Serving ideas (optional)
- sour cream, for topping
- fresh cilantro, for garnish
- lime wedges, for serving
Instructions
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Place the chicken breasts in the slow cooker and sprinkle the diced onion on top.
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Add chicken broth, cumin, chili powder, garlic powder, oregano, salt and pepper. Pour in the Rotel with juices and stir gently to combine.
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Cover and cook on LOW for 6 hours or HIGH for 4 hours, until the chicken is tender and shreds easily.
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Remove the chicken, shred with two forks, then return it to the slow cooker.
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In a small bowl, whisk heavy cream and cornstarch until smooth. Slowly stir the mixture into the slow cooker.
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Add torn corn tortillas and shredded cheddar. Stir well, cover, and cook on HIGH for 20–30 minutes, until cheese is melted and the mixture is bubbly.
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Serve with desired toppings and enjoy.
Nutrition
Nutrition info is auto-generated and is an estimate; if you follow a special diet, please calculate based on your ingredients.
My Other Slow Cooker Casseroles
Try the slow cooker chicken tenders for an easy weeknight main that pairs well with casseroles.
For hearty alternatives, consider the Fiesta Chicken Casserole, Kielbasa Hashbrown Casserole, or Slow Cooker Tater Tot Casserole.
If you enjoy classic comfort, the Cowboy Casserole and Taco Potato Casserole are great options.