Serve in martini glasses, and add a crunchy breadstick to garnish.
Whisk together first 6 ingredients in large bowl. Stir in Granny Smith apples and next 5 ingredients. Cover and chill 1 hour.
Stir in walnuts just before serving. Garnish, if desired.
*1/2 cup dried cranberries may be substituted for raisins.