Copycat Popeyes Chicken Sandwich

Name: Copycat Popeyes Chicken Sandwich
Prep time: 1 h 15 min
Total time: 1 h 15 min
Cuisine: American, Southern
Ingredients: 1 lb. boneless skinless chicken breast (2 8 oz. breasts or one large breast); 2 c. full-fat buttermilk; 3 tbsp. cayenne pepper sauce (Crystal or Tabasco recommended); 1/2 tbsp. smoked paprika; 2 tsp. garlic powder; 2 tsp. freshly ground black pepper; 1 tsp. onion powder; 1/2 c. mayonnaise; 1/2 tsp. cayenne pepper; 1/4 tsp. onion powder; 1/4 tsp. garlic powder; 1/4 tsp. kosher salt; 1/2 c. self-rising flour; 1/2 c. cornstarch; 1/2 tsp. baking soda; 2 tsp. kosher salt; 1 1/2 tsp. smoked paprika; 1 tsp. dried thyme; 1 tsp. freshly ground black pepper; 1 tsp. white pepper; 3/4 tsp. cayenne pepper; 1/4 c. cornstarch; 1/4 c. self-rising flour; 2 egg whites plus 1 whole egg, thoroughly beaten; 1/2 c. buttermilk brine; 1/4 c. water; 7 c. shortening; 2 paper lunch bags (optional); 4 brioche buns; Kosher dill pickle slices