Mix together the Oreo cookie crumbs and butter.
Pat the crust into the base of a 10" spring form pan.
Put gelatin into the water, stir and heat it slowly until it melts and becomes clear. Allow to cool.
In a medium bowl, beat heavy whipping cream until peeks form and the whipping cream has doubled in volume. Set aside.
In a large bowl combine cream cheese, sweetened condensed milk and lemon juice.
Add the gelatin, extract, a couple of drops of red food coloring and crushed candy canes. Mix until smooth.
Fold the whipped cream into this mixture until combined.
Pour the filling over the crust and place it into the freezer for at least three hours to set.
When ready to serve, drizzle with melted chocolate and sprinkle with crushed candy canes.