Preheat oven to 350F.
In a food processor, pulse the cookies until finely ground, add melted butter and salt, pulse two to three more times until everything is very well combined.
Press firmly into the bottom and sides of a 9inch springform pan.
Bake for 10 minutes. let it cool down while you prepare the filling.
Reduce the heat to 330F.
Beat together cream cheese and sugar.
Add eggs one at time beat in between until just combined. Then add vanilla and sour cream.
Mix in the orange zest.
Cover the pan from the bottom and up to the sides with an oven bag. Place the pan in a larger baking sheet. Pour the cream cheese mixture into the base you’ve already made. Pour water in the larger pan until it is up by about 1 inch.
Bake for 50-55 minutes. It should jiggle slightly when you shake the pan slightly check out how to know when your cheesecake is done below in the notes section.
Turn off the heat and open the door ajar for 10 minutes.
Close the oven door and let it set there for another hour.
Take it out on the counter to cool for almost another hour.
Refrigerate overnight.