Dinner / Casseroles & pot pies
King Ranch Chicken Casserole from Scratch
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Corn tortillas, chicken and a creamy sauce with poblano and green chiles, all melted together under a cheesy top. Let it rest ten minutes, and you'll still have to guard the pan from spoons.
The short version
Cook peppers and onion in butter, whisk in flour and stock, then stir in chicken, sour cream and green chiles. Layer with warmed corn tortillas and cheese in a 13×9 dish and bake at 375°F for 40 to 45 minutes. Rest 10 minutes before you scoop.
What makes ours better
what we fixed so you don’t have to
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Build the sauce from butter, flour and stock. It takes five minutes and gives you a creamy base with real chili flavor, without the canned-soup tang.
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Roast the tortillas briefly before layering. A few minutes in the oven dries the corn tortillas just enough that they hold their shape instead of dissolving into paste.
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Add poblano and green chiles. Poblano gives gentle, smoky heat and green chiles add tang, so the sauce tastes layered instead of just creamy.
What you need
the usual suspects
- Unsalted butter6 tablespoons
- Onion1 medium
- Red bell pepper1 medium
- Poblano pepper1 medium
- Sour cream1 cup
- Shredded cooked chicken4 cups
- Corn tortillas12 small
- Shredded Monterey Jack or pepper Jack12 ounces
Sauce
Assembly
tap each one as it goes in. no double-salting.
Steps
deep breath. you’ve got this.
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Heat the oven, warm the tortillas
Set a rack in the center and heat the oven to 375°F. Grease a 13×9-inch dish. Lay the tortillas on two baking sheets and warm them 3 to 4 minutes, until pliable and slightly dry at the edges. Tear each one in half.
Don't skip this. Raw tortillas soak up the sauce and turn gluey.
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Cook the vegetables
Melt the butter in a large skillet over medium heat. Add the onion, bell pepper, poblano and jalapeño and cook, stirring, 8 to 10 minutes, until soft and starting to brown. Stir in the garlic, chili powder and cumin for 1 minute.
About 10 min. Cook mode has a timer for this step.
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Make the sauce
Sprinkle on the flour and stir for 2 minutes to cook out the raw taste. Pour in the stock slowly, whisking, and simmer 5 minutes, until thick enough to coat a spoon.
About 5 min. Cook mode has a timer for this step.
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Finish the filling
Off the heat, stir in the green chiles, sour cream, salt and chicken. Taste and add salt if it needs it. It should taste a little bold.
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Layer the casserole
Spread a thin layer of filling in the dish and cover with half the tortilla pieces, overlapping them slightly. Spoon on half the remaining filling and sprinkle with one-third of the cheese. Repeat with the remaining tortillas, filling and cheese.
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Bake
Bake uncovered 40 to 45 minutes, until the top is browned in spots and the sauce is bubbling around the edges. If the cheese darkens too fast, tent loosely with foil.
About 40 min. Cook mode has a timer for this step.
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Rest
Let it stand 10 minutes so the sauce sets and you can cut clean squares.
About 10 min. Cook mode has a timer for this step.
Good to know
things I learned the hard way, so you can skip that part
- Corn tortillas are traditional. Flour tortillas make a softer, less structured casserole.
- A rotisserie chicken is the fastest route. To cook from scratch, simmer 2 pounds of boneless chicken in salted water until 165°F inside, about 15 to 20 minutes, then shred.
- Make it ahead by assembling up to a day before, covered in the fridge, and bake 10 minutes longer.
- Storage. Fridge, 4 days covered. Freezes unbaked or baked for 3 months; thaw overnight and reheat covered at 350°F until hot.
Questions, answered
the questions my cousins text me
What is King Ranch chicken?
A Texas casserole of shredded chicken, corn tortillas, peppers and cheese in a creamy, chili-spiced sauce. Despite the name it's a potluck dish, not a ranch recipe.
How do I keep King Ranch chicken from getting soggy?
Warm the tortillas first to dry them out, and make the sauce thick enough to coat a spoon. Let the casserole rest 10 minutes before cutting.
Can I make King Ranch chicken ahead?
Yes. Assemble it a day ahead, cover and chill. Bake it straight from the fridge and add about 10 minutes.
Can I freeze it?
Yes. Wrap the unbaked casserole tightly and freeze up to 3 months. Thaw in the fridge overnight, then bake until bubbling.
How spicy is it?
Mild to medium. Poblano and chili powder add warmth, not much heat. Skip the jalapeño for mild, or add a pinch of cayenne to the sauce for more.
From the table
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Published October 28, 2026.