01 - Preheat oven to 425°F. Line a baking sheet with parchment paper. In a large bowl, whisk together flour, baking powder, and salt. Add cubed cold butter and cut in until mixture resembles coarse crumbs. Stir in buttermilk just until combined. Turn dough onto a floured surface, gently pat to 1-inch thickness, and cut with a biscuit cutter. Arrange on baking sheet and bake for 12 to 15 minutes until golden. Brush tops with melted butter.
02 - Pound chicken pieces to even thickness if necessary. Place in a bowl with buttermilk and hot sauce, turning to coat. Marinate for 20 minutes or refrigerate up to 4 hours for enhanced flavor.
03 - In a shallow bowl, combine flour, cornstarch, smoked paprika, garlic powder, salt, and black pepper. Mix well.
04 - Heat 1 inch of vegetable oil in a large skillet to 350°F. Remove chicken from marinade, allowing excess to drip off. Dredge each piece in the flour mixture, shaking off excess. Fry for 3 to 4 minutes per side until golden brown and cooked through. Transfer to a wire rack to drain.
05 - In a small saucepan, gently warm honey, hot sauce, and red pepper flakes over low heat for 2 to 3 minutes, stirring to combine. Do not boil. Set aside.
06 - Split warm biscuits in half. Place a fried chicken fillet inside each biscuit, drizzle generously with hot honey, and add pickle slices if desired. Serve immediately.