
Preheat oven to 450°F. Mix together the melted butter, salt, lemon-pepper seasoning, garlic powder, and onion powder together. Rub onto chicken breasts.
Place chicken into the oven and bake for 18 minutes. Remove baking dish from oven and place aluminum foil on top and bake for another 4-5 minutes.
Remove chicken breasts from oven and allow them to rest for 5 minutes and serve.