Creamy Sour Cream Chicken Enchiladas in One Dish Step-by-step instructions

Before you start

Get everything in place before the skillet goes on the heat, because assembly moves quickly once the filling is ready. Shred the chicken — about 3 cups from a rotisserie bird or leftover roast — and measure the sour cream, cheese, and spices. Drain the green chiles well so the filling does not turn watery.

Grate the cheese from a block if time allows; block cheese melts more smoothly than most pre-shredded bags. Set out the 9x13-inch dish, the skillet, the saucepan, and the whisk, and position an oven rack in the center with the oven heating to 350°F (175°C) so the dish can go straight in after assembly.

Instructions

Filling and sauce

1. 1Soften the aromatics and spices
   Heat the olive oil in a large skillet over medium heat. Add the onion and cook, stirring, until translucent, about 4 minutes. Stir in the garlic, chili powder, and cumin and cook for 30 seconds, just until the spices smell warm and toasty.
   Look for The onion looks glossy and translucent with no browned edges, and the spices smell fragrant rather than sharp.
   Tip Keep the heat at medium so the spices bloom without scorching; burnt chili powder turns the filling bitter.
2. 2Build the creamy chicken filling
   Add the shredded chicken, green chiles, salt, half of the sour cream, and 1 cup of the shredded cheese. Fold everything together over low heat until the cheese melts and the filling holds together in creamy clumps, 2 to 3 minutes.
   Look for The filling should look thick and cohesive, holding its shape when pressed with the spoon, not soupy.
   Tip Pull the skillet off the heat as soon as the cheese melts so the filling stays smooth and easy to scoop.
3. 3Whisk the sour cream sauce
   In a medium saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1 minute, then slowly whisk in the chicken broth and simmer until slightly thickened, about 3 minutes. Off the heat, whisk in the remaining 1 1/2 cups sour cream until completely smooth.
   Look for The sauce should coat the back of a spoon and look pale, glossy, and pourable, with no streaks left.
   Tip Never let sour cream boil, or the sauce will curdle; whisk it in off the heat and keep it there.

By the end of the first phase the hard work is finished. The filling should look thick, creamy, and cohesive — it holds together in soft clumps when pressed with the spoon, flecked with green chiles and melted cheese, and it smells warm from the toasted cumin and chili powder. The sauce should be pale, glossy, and pourable, coating the back of a spoon with a clean trail when a finger is drawn through it, with no sour cream streaks and no graininess. Taste the sauce now and adjust the salt; after baking there is no easy way to fix seasoning.

Assemble the dish

4. 4Prep the dish and tortillas
   Heat the oven to 350°F (175°C) and grease a 9x13-inch baking dish. Wrap the tortillas in a damp paper towel and microwave for 30 seconds so they are warm and flexible. Spread a thin layer of sauce over the bottom of the dish.
   Look for A tortilla is ready when it bends fully at the fold without cracking or springing back.
   Tip The thin sauce layer underneath keeps the first row of tortillas from sticking and drying out.
5. 5Fill and roll the enchiladas
   Spoon about 1/3 cup of filling down the center of each warm tortilla. Roll each one up snugly and set it seam-side down in the prepared dish, fitting the rolls side by side so they support each other.
   Look for The rolls should sit tightly packed with no gaps, which keeps them from unrolling as they bake.
   Tip Do not overstuff — a generous but modest scoop rolls cleanly and stays sealed through the bake.
6. 6Sauce and cheese the top
   Pour the remaining sauce evenly over the rolled tortillas, nudging it into the gaps with the back of a spoon. Scatter the remaining 1 cup of shredded cheese over the top, covering the sauce edge to edge.
   Look for Every tortilla should be coated so none dries out, and the cheese should form an even blanket.
   Tip Covering the sauce completely with cheese protects it from the oven's direct heat and keeps it silky.

Assembly is complete when the dish looks ready for the photograph: eight snug rolls sitting seam-side down in a single layer, every one coated in sauce, and a full, even blanket of shredded cheese covering the top edge to edge. No dry tortilla should peek through, because any exposed patch will crisp and dry during the bake.

The rolls should be packed tightly enough that they support one another and cannot unroll, and the sauce should be visible in the gaps between them. Give the dish a gentle tilt — the sauce should settle evenly rather than flooding one corner. If the cheese is uneven, scatter a little more over any bare spots before the dish goes into the oven.

Bake and rest

7. 7Bake until bubbling and hot through
   Bake at 350°F (175°C) until the sauce bubbles at the edges and the cheese is fully melted and lightly golden, 22 to 25 minutes. The enchiladas are done when the center registers 165°F (74°C) on an instant-read thermometer.
   Look for Look for bubbling at the edges, a golden top, and steam rising when the dish is nudged.
   Safe temperature 165°F (74°C) internal temperature (poultry)
   Tip Tent loosely with foil if the cheese colors deeply before the center is hot all the way through.
8. 8Rest, then serve from the dish
   Let the dish rest for 10 minutes — the sauce thickens as it cools and the rolls hold their shape. Lift each enchilada out with a spatula and serve straight from the dish while the cheese is still stretchy and the steam is still rising.
   Look for After resting, the sauce should cling to the tortillas instead of pooling around them.
   Tip Resting is what turns a saucy scoop into clean portions that hold together on the plate.

Out of the oven, the dish should be bubbling at the edges, with a golden, fully melted cheese top and steam rising the moment it is nudged. The center should read 165°F (74°C) on an instant-read thermometer — the safe internal temperature for poultry — and the sauce should look thick and glossy around the rolls rather than watery.

Then comes the step most tempting to skip: a 10-minute rest. As the dish sits, the sauce tightens, the rolls set, and the portions go from loose and saucy to clean and sliceable. The cheese stays stretchy well past the rest, so a scoop lifted with a spatula still pulls long, glossy strands onto the plate.

Common mistakes

The most common failure is a broken sauce, and it almost always comes from boiling the sour cream — whisk it in off the heat and keep the saucepan off direct heat from then on. Cold tortillas are the second culprit: they crack when rolled and break the filling's seal, so warm them until they bend fully.

Overstuffing is the third; more than about 1/3 cup per tortilla makes the rolls burst or unroll in the dish. Finally, do not skip the rest. Cutting into the dish straight from the oven gives loose, saucy portions, while a 10-minute rest lets the sauce thicken and the rolls hold their shape for clean serving.

How to tell it’s done

The enchiladas are done when three things line up: the sauce bubbles actively at the edges of the dish, the cheese on top is fully melted and lightly golden in spots, and the center of the casserole reads 165°F (74°C) on an instant-read thermometer pushed into the middle of a roll. That temperature is the safe internal temperature for poultry, and it confirms the chicken and sauce are heated through, not just warmed at the edges. The sauce should look thick and glossy around the rolls, not watery, and the tortillas plump rather than dry at the exposed ends.

• Poultry: 165°F (74°C) in the thickest part