In the bowl of a food processor, fitted with the steel blade, pulse the basil, parsley, thyme, garlic, butter, salt, bread crumbs and Parmesan until the ingredients are evenly processed, about 6-8 times. Season to taste, and add more salt, pepper and/or Parmesan cheese, if needed.
½ cup fresh basil leaves, ¼ cup fresh Italian parsley, 1 tablespoon fresh thyme leaves, 4 cloves garlic, 2 tablespoons unsalted butter, 1½ tablespoons kosher salt, 8 ounces Panko breadcrumbs, ½ cup freshly grated Parmesan cheese