Preheat oven to 350ºF and spray an 8-9" springform pan with cooking spray.
Put candy canes/pieces in food processor and crush into fine pieces. Set aside.
In same food processor, crush Oreos into fine crumbs. Stir with melted butter until completely moist. Add crust to bottom of pan and pack tightly.
In a large bowl use a hand mixer to beat cream cheese with sugar, salt and flour. Add eggs one at a time, then sour cream, peppermint and vanilla extracts. Gently fold in melted white chocolate and candy cane pieces.
Pour filling into springform pan and place on a rimmed baking sheet. Bake until center is only slightly jiggly, about 1 hr.
Turn off oven. Let cheesecake cool in oven 1 hr. Refrigerate cheesecake overnight.
Add topping to cheesecake and return to refrigerator.
Drizzle with Hershey’s chocolate syrup before serving.