Preheat oven to 325 degrees F.

Process cookies in food processor until crumbs, do not remove filling. 

In a medium bowl combine Oreo Cooking crumbs and butter. Press into the bottom of a 9 inch spring form pan.

Bake in preheated oven for 10 minutes. Place on a wire rack to cool.

Cheesecake:

Preheat oven to 425 degrees F.

In a food processor combine cream cheese, 1 cup sugar, flour and eggnog; process until smooth. Blend in eggs, brandy or rum extract and nutmeg. Pour mixture into cooled crust.

Bake in preheated oven for 10 minutes.

Reduce heat to 250 and bake for 45 minutes, or until center of cake is barely firm to the touch. Remove from the oven and immediately loosen cake from rim. Let cake cool completely before removing the rim.