Crispy Fried Boudin Balls

Name: Crispy Fried Boudin Balls
Ingredients: 2 medium stalks celery; 1 medium yellow onion; 6 cloves garlic; 1 medium jalapeño pepper; 1 1/2 pounds boneless pork shoulder or butt; 6 ounces raw chicken livers (1 cup); 2 tablespoons plus 2 teaspoons Cajun seasoning with salt, divided (or 1 tablespoon plus 1 teaspoon each of salt-free Cajun seasoning and kosher salt); 6 to 7 cups water; 2 cups cooked white rice; 2 medium scallions; 6 sprigs fresh parsley; 1 teaspoon kosher salt; 1/2 teaspoon freshly ground black pepper; 1/4 teaspoon cayenne pepper; 2 large eggs; 1 1/2 cups panko breadcrumbs; 1/2 cup all-purpose flour; 4 cups neutral oil, such as vegetable, for frying; Remoulade sauce , for serving