Marshmallow Whip No-Bake Cheesecake

Directions
Mix graham crumbs, sugar, and melted butter, then press into a 9-inch pie dish. Chill 15 minutes.
Beat cream cheese, powdered sugar, vanilla, and marshmallow fluff until smooth.
Fold in whipped cream gently.
Spread filling over crust and chill at least 4 hours.
For topping, fold marshmallow fluff with whipped cream and spread over cheesecake. Garnish with mini marshmallows if desired.