Prepare the chicken: In a mixing bowl, combine the chicken with chili powder, oregano, kosher salt, cumin, black pepper, dried minced onion, and ancho chile powder.
Toss and rub the spices into the chicken.
Dredge the seasoned chicken in flour and set aside.
Char the limes: Heat a large oven-safe skillet over medium-high heat. Place the lime slices in the pan and cook for 1-2 minutes on each side, until charred. Remove and set aside.
Cook the chicken: Add 2 ½ tablespoons of vegetable oil to the skillet and heat until shimmering. Add the chicken pieces (in batches if necessary) and cook for about 3 minutes per side, until golden brown. Remove the chicken and set aside.
Sauté the vegetables: Add the remaining 1 tablespoon of vegetable oil to the skillet, then add corn, jalapeños, and garlic. Cook, stirring often, for 2-3 minutes until the corn begins to brown. Add the chicken back to the pan and pour in lime juice and water. Cook for 2 minutes until the liquid is mostly absorbed.
Broil and serve: Sprinkle the chicken and veggies with shredded cheese and place under the broiler for 2-3 minutes, until the cheese melts. Garnish with fresh cilantro and serve with lime wedges or the charred lime slices.
Enjoy!