Crispy Chicken Sandwich

Ingredients

• 1 1/2 teaspoons kosher salt
• 1 teaspoon paprika
• 1 teaspoon black pepper
• 1 teaspoon garlic powder
• 1/2 teaspoon dried thyme
• 1/2 teaspoon dried sage
• 1/2 teaspoon cayenne pepper
• 2 chicken breasts halved boneless, skinless, crosswise
• 1 1/2 cups all purpose flour
• 1 teaspoon baking powder
• 3 tablespoons water
• 2 large egg whites lightly beaten
• 2 quarts vegetable oil
• 4 potato hamburger buns
• shredded lettuce for topping
• 1/2 cup chips dill pickle, chopped fine
• 1 teaspoon pickle brine
• 1/2 cup mayonnaise
• 1 tablespoon yellow mustard
• 1/2 teaspoon black pepper