Preheat your oven to 425 ℉.: When the oven is heating, you will smell the residual warmth from previous bakes or the faint metallic scent of a cold oven waking up; that preheat sets the stage for rapid melting and even bubbling once the skillet goes in. Getting the oven fully to 425 ℉ ensures the cheese melts quickly and the layers heat through without turning the chips limp. Common pitfalls include placing the pan in before the oven is hot, which yields uneven melting, so wait until the meter reaches temperature. Use an oven thermometer if your appliance runs cool. A properly preheated oven helps create those golden spots on the cheese that add visual appeal and a subtle toasted flavor.
Spray a large skillet with cooking spray. Spread 1 cup of the green enchilada sauce on the bottom of the skillet then start layering with 1/3 of the turkey, 1/3 of the tortilla chips, top with 1/3 of the sour cream and 1/3 of the cheese. Repeat with remaining enchilada sauce, turkey, chips, sour cream and cheese 2 more times, to make a total of 3 layers of each ingredient.: The faint hiss of the spray and the glossy sheen across the pan create a nonstick surface that helps the layers release after baking. A light coating prevents sticking without adding flavor, and it promotes even heat contact on the bottom layer. If you skip this step, the sauce and cheese can adhere and make serving messy, so take a moment to coat the skillet evenly. For cast iron, a tiny smear of neutral oil rubbed with a paper towel will achieve the same result while preserving seasoning.
Bake for 10 minutes or until hot inside and all the cheese has melted.: You will notice the vivid green sauce creating a slick foundation that immediately softens the edges of the chips. The initial layer traps heat at the base and prevents chips from scorching, while small mounds of shredded turkey add savory pockets. The sound is subtle here, a soft settling rather than a sizzle, and visually you should see distinct strata forming. The reason for this order is distribution; it guarantees every bite gets sauce, protein, and dairy. Avoid piling too much in one spot, which causes uneven heating and soggy clusters. When you place chips, overlap them gently so they catch sauce without collapsing into a mushy mass.
Top with chopped tomatoes, green onions, feta cheese, cilantro and black pepper.: As you build the second and third layers, notice how the sauce softens the chips differently each round, creating zones of tender and crunchy texture. The sour cream between layers provides cool ribbons that temper the heat and add a creamy mouthfeel. Layering three times ensures depth and variety in every serving, allowing the cheese to weave through the interior as it melts. A common mistake is compressing layers too tightly, which prevents sauce penetration and yields a dense interior, so keep the layers relaxed to retain air and texture. Visually, the layers will look chunky and promising, with pockets of cheese peeking through.
Serve while hot.: Shortly after placing the skillet in the oven you may hear a low bubbling and smell the green sauce warming up, with the cheese beginning to flow. Ten minutes at a high temperature allows the center to heat through while the top develops melting and slight browning; if your oven runs cool, you may need an extra minute or two. Watch closely to avoid overbrowning which can dry the chips. The internal temperature should be steaming and the cheese should be fully melted and cohesive. If a cheese rim starts to burn, reduce the heat slightly on future attempts or move the skillet to a lower rack to get even heating without charring.
Top with chopped tomatoes, green onions, feta cheese, cilantro and black pepper.: Once out of the oven the pan will exhale a herbaceous, tangy aroma that invites those finishing touches. The fresh tomato and green onions cool and brighten each portion, while crumbled feta cheese adds a salty pop against the creamy melted Monterey Jack cheese . Freshly chopped cilantro perfumes the whole dish with green brightness, and a dusting of black pepper lifts the back end of the flavor. Avoid adding toppings before baking if you want them to remain vibrant, because extended oven time wilts fresh herbs and softens tomatoes. Arrange toppings evenly so each diner can enjoy a balanced bite.
Serve while hot.: The first spoonful should present a contrast of textures, the smell of warmed sauce, and the stretch of melted cheese . Serving right away captures the moment when melted cheese is stringy and chips retain some crispness. If you let it cool too long, the chips will continue to absorb sauce and the dish becomes uniformly soft, which changes the intended texture. Use a wide spatula to scoop through layers so you get a mix of chip, protein, and sauce on each plate, and encourage guests to add extra black pepper or cilantro to taste.