01 -
In a small bowl, combine chili powder, garlic powder, onion powder, crushed red pepper flakes, dried oregano, paprika, ground cumin, salt, and black pepper. Evenly coat both sides of each chicken breast with the spice blend.
02 -
Preheat a grill pan over medium-high heat. Place the seasoned chicken breasts on the pan and cook until they reach an internal temperature of 165°F, approximately 6–7 minutes per side, depending on thickness. Set aside and keep warm.
03 -
In a medium saucepan over medium heat, melt the butter until foaming subsides. Whisk in the flour and cook for 1–2 minutes until the mixture is just beginning to bubble, forming a roux.
04 -
Gradually pour in the milk while whisking constantly to create a smooth sauce. Continue whisking until the mixture is heated through, avoiding boiling.
05 -
When the sauce is hot but not boiling, add the shredded cheddar cheese in small amounts, whisking each addition until fully melted. Stir in paprika, cayenne pepper, and salt. Adjust seasoning as needed.
06 -
Spoon the hot cheese sauce generously over the grilled chicken breasts and serve immediately.