All writers are pantsers when it comes to the finer grain structure of a novel. No one can outline down to the sentence level. All honest plotters will admit that at least some of their best ideas have come during pantsing bouts. You just have to dive in!
By using the emotions that come to the surface with a daily writing regimen, “method writing” will help your writing stay authentic, help you stretch your writer’s wings, and explore aspects of the craft that are way out of your comfort zone.