1. Preheat oven to 425°F. Spray baking sheet with nonstick cooking spray.
2. Separate dinner rolls; place on lightly floured surface. With lightly floured rolling pin, roll each dinner roll into 3-1/2-inch circle. Spread honey mustard lightly over dinner rolls; top with turkey and broccoli coleslaw. Brush edges of dinner rolls with beaten egg white. Fold dough over forming a half circle; squeeze edges together firmly with fingers. Press edges with tines of fork to finish sealing.
3. Place on prepared baking sheet; brush egg white over tops of turnovers. Bake about 15 minutes or until golden brown. Let stand 5 minutes before serving. Serve warm or at room temperature with additional mustard for dipping, if desired.