Bronzed Black Drum

Name: Bronzed Black Drum
Ingredients: 2 1/2 teaspoons salt; 2 teaspoons paprika; 1 3/4 teaspoons ground ginger; 1 1/2 teaspoons onion powder; 1 teaspoon cayenne pepper; 1 teaspoon ground coriander; 1 teaspoon dry mustard; 1 teaspoon dried oregano; 3/4 teaspoon ground cumin; 3/4 teaspoon garlic powder; 3/4 teaspoon black pepper; 1/2 teaspoon white pepper; 4 black drum fillets (about 4 ounces each), or other firm, mild-flavored fish; 2 tablespoons vegetable oil; Melted butter, to drizzle on fish