Salmon Meuni re Botw Recipe A traditonal japanese salmon recipe requiring only 3 ingredients and is insanely delicious

1 2 cup all purpose flour 4 sole fillets each about 3 to 4 ounces coarse kosher salt freshly ground black pepper 2 tablespoons vegetable oil or canola oil 2 tablespoons 1 4 stick unsalted butter 1 4 cup 1 2 stick unsalted butter cut into 4 pieces