MICROWAVE morsels in medium, uncovered, microwave-safe bowl on MEDIUM-HIGH power for 1 minute; STIR. The morsels may retain some of their original shape. If necessary, microwave at additional 10- to 15-second intervals, stirring just until melted. Cool to room temperature.
BEAT melted chocolate, cream cheese and vanilla extract in a large mixing bowl until light in color. Fold in whipped cream. Spoon into crust. Refrigerate for at least 2 hours or until firm. Top with sweetened whipped cream, chocolate curls and nuts.
Carefully draw a vegetable peeler across edge of a bar of NESTLÉ® TOLL HOUSE® Semi-Sweet Chocolate.