In bowl, mix first 3 ingredients for slaw; season. In nonstick skillet, cook tortillas over high until warmed and charred in spots. In another bowl, microwave chicken, hot sauce and butter on high until warm, about 2 minutes; season. Divide among tortillas; top with slaw and cheese.
Taco Twist:Make your own hard taco shells! Microwave corn tortillas for 30 seconds. Coat with cooking spray, drape over two oven-rack bars and bake at 375° until crispy, about 8 minutes.