2. In medium bowl, combine turkey, apple, coriander, salt and pepper. Evenly divide and shape turkey mixture into 4 burgers, approximately 3-1/2 inches in diameter. Grill turkey burgers 5 to 6 minutes per side or until 165°F on meat thermometer, and turkey is no longer pink in center.
3. In small bowl, combine cranberry sauce, mustard, cinnamon and nutmeg.
4. To serve, place 1 burger on bottom half of each bun. Spoon sauce over burgers and top with other half of bun.