Step 1

Preheat an oven to 350°F.

Step 2

In a bowl, combine the cookie crumbs, butter and sugar and stir until the crumbs are well moistened. Pat the mixture firmly and evenly into the bottom and all the way up the sides of a 9-inch pie pan or dish.

Step 3

Bake until the crust is firm, about 8 minutes. Remove from oven and cool completely.

Step 4

In a large mixing bowl, combine buttermilk, pudding mix, and vanilla extract. Whisk until well combined and thickened, 1-2 minutes.

Step 5

Fold in whipped topping and grated chocolate.

Step 6

Pour into cooled pie crust and cover tightly.

Step 7

Freeze at least 8 hours, or overnight. Remove from freezer about an hour or so before serving.

Step 8

Spread 1 cup of whipped topping over the pie, then drizzle with chocolate ganache.

Step 9

Add 6 ounces finely chopped semi-sweet chocolate to a microwave-safe bowl. Top with 6 ounces heavy whipping cream.

Step 10

Microwave 1 minute.

Step 11

Let stand in the microwave for 5 minutes.

Step 12

Whisk together until smooth and velvety.