1 1/2 cups chocolate wafer crumbs

1/3 cup butter, melted

Cheesecake Filling:

12 ounces chocolate, chopped

24 ounces (3 - 8 ounce packages) cream cheese, room temperature

1 cup white sugar

3 large eggs, ( room temperature)

1 1/2 teaspoons vanilla

1 cup sour cream,( room temperature)

Ganache:

4 ounces chocolate, finely chopped

1/3 cup heavy whipping cream

1/2 tablespoon butter, room temperature