Shrimp Po'Boy

INGREDIENTS

• 2 1/2 teaspoons kosher salt
• 1 teaspoon cayenne pepper
• 1 teaspoon garlic powder
• 1 teaspoon paprika
• 1/2 teaspoon dried oregano
• 1/2 teaspoon dried thyme
• 1/2 teaspoon freshly ground black pepper
• 1/2 teaspoon onion powder
• Vegetable oil for frying
• 1 1/2 pounds medium shrimp (about 36), peeled, deveined
• 1 cup buttermilk
• 1 1/2 cups all-purpose flour
• 1 cup cornmeal
• 4 8"-long French rolls, split horizontally
• Rémoulade (go to bonappetit.com for recipe) or mayonnaise
• Shredded iceberg lettuce
• Sliced tomatoes
• Dill pickles
• Hot pepper sauce (optional), preferably Crystal