Combine peanut butter and honey; stir in ice cream. Spoon half of ice cream mixture into pie crust; sprinkle with half of cashews. Drizzle half of fudge topping over cashews; spoon remaining ice cream mixture over top. Sprinkle with remaining cashews and drizzle with remaining topping. Freeze about 8 hours or until firm. Garnish with whipped topping, additional fudge topping and chopped cashews, if desired.