Cut the breasts in half horizontally to create 4 fillets. Season each side with salt and pepper. Set aside.: The first sensory cue is the way the meat gives under your knife, indicating a clean, even cut that will cook uniformly. Seasoning early lets the salt start to work on the surface, improving flavor and encouraging a better crust when seared. A common mistake here is uneven thickness, which leads to one piece overcooking while another is underdone; use your palm to steady the breast and slice slowly for consistent fillets.
Place flour in a medium-sized shallow dish. Dredge chicken in flour; shake off excess.: You should see a light, even coating that clings without clumping, and it will feel slightly dusty to the touch. This thin flour layer is crucial because it browns quickly and forms the base of the crust that will hold the sauce. If you skip shaking off excess, the flour can gum up and create a gummy texture instead of a crisp one, so tap gently to remove loose flour.
Heat 1 tablespoon of butter with the oil in a large skillet over medium-high heat.: Expect a shimmer across the oil and the butter melting into a foamy ribbon, producing a warm, nutty aroma. The mix raises the smoke point and gives you a balance of flavor and heat tolerance. If the pan is too cool the chicken will stick and not brown properly, while too hot will char the coating before the inside cooks; adjust heat so the fat sizzles but does not smoke aggressively.
Place chicken in skillet and cook for 2–3 minutes on each side until golden. Remove chicken and set aside.: You want a clear sizzling sound and a visual cue of golden brown edges, signaling the Maillard reaction that creates flavor. The chicken should release from the pan easily when the crust is ready. If it pulls and tears, it probably needs a bit more time; do not prod constantly, let it form that crust. Overcooking at this stage will dry the meat, so aim for a brief, confident sear.
Heat the remaining butter in the pan. Add the garlic and cook until fragrant, about 1 minute.: Watch the garlic soften and release a heady aroma, but be careful because it can shift from fragrant to bitter quickly. You should see gentle bubbling and a change to a lighter golden tint in the butter. If the garlic darkens too much, it will taste burnt, so lower the heat and stir constantly for an even, sweet result.
Reduce heat to low. Add soy sauce, chili paste (Sriracha or hot sauce), honey, cayenne and garlic powder. Stir well to combine.: On low heat the sauce will come together with a glossy sheen and a layered scent of sweet, salty, and spicy. Stir until the honey dissolves and the ingredients create a cohesive glaze. If you leave the heat too high, the honey can burn and taste bitter, so maintain a gentle simmer for a balanced reduction.
Add the chicken back into the pan and let simmer in the sauce for a further 30 seconds while coating the chicken with the sauce. Season with the chili flakes to your taste, and a little extra salt and pepper. (If the sauce gets too thick, mix through 1-2 tablespoons of water.): You should hear a soft simmer and see the sauce cling to the edges of the chicken , turning glossy as it reduces. The short simmer allows the flavors to marry while avoiding toughening the meat. A typical pitfall is over reducing, which yields a sticky, almost crystallized sauce; use the suggested water to loosen it if needed and taste before adding more salt.
Immediately remove from stove. To serve, slice each piece of chicken into strips and drizzle with the remaining sauce left over in the pan.: The final moment is tactile and visual, the sliced chicken revealing a tender interior with a shiny glaze clinging to the surface. Letting it rest off heat briefly maintains juiciness, and the drizzled sauce adds the finishing flavor. If you slice too soon while piping hot, the juices can run out and leave the meat drier, so give it a short pause before cutting.