Preheat oven to 375 degrees. In large bowl, combine milk and egg and beat to combine. Add stuffing mix, onion, and mustard and mix well. Then blend in ground turkey and stir gently to mix. Shape into 48 1" balls and place on 15x10" jelly roll pan. Bake at 375 degrees for 20 minutes until browned. In 3-4 quart crockpot, combine cranberry sauce, apple juice, brown sugar, and Worcestershire sauce. Add meatballs and stir gently to coat. Cover and cook on low for 4-5 hours until mixture is thoroughly heated. 48 meatballs