Pat chicken dry.
Season both sides with salt, pepper, paprika, garlic powder, and onion powder.
Rub Jamaican green seasoning evenly over chicken.
Let sit 10–15 minutes (or up to 4 hours refrigerated).
Heat skillet over medium‑high and add oil.
Sear chicken 3–4 minutes per side until golden and internal temperature reaches 165°F.
Optional: add butter and baste for extra gloss.
Rest 3 minutes, then slice on the bias.