Combine chicken with buttermilk, garlic powder, smoked paprika, salt, and pepper. Cover and refrigerate for at least 20 minutes.
Mix cabbage, carrots, onion, mayonnaise, lime juice, salt, and pepper. Chill until needed.
Warm honey, hot sauce, red pepper flakes, vinegar, and salt over low heat for 2–3 minutes without boiling.
Dredge marinated chicken in flour, then coat with panko.
Fry chicken at 180°C (350°F) until golden and cooked through.
Assemble Hot Honey Chicken Tacos with chicken, slaw, hot honey drizzle, cilantro, and lime.