Preheat oven to 350 degrees.
Spray the bottom of your spring form pan with non stick spray.
Take 15 Oreo cookies and scrape out the cream filling, reserving it for the filling. Take just the cookie part and add to large baggy. Crush them with a rolling pin or the bottom of a glass until there are no large pieces.
In a small bowl, add crushed Oreo cookies, melted butter and sugar. Mix together until well combined.
Add crust mixture to spring form pan and press down until entire bottom is covered completely with cookie crust.
Bake in preheated oven for 15 minutes.
In a large bowl with handheld mixer, or stand mixer, cream together your cream cheese and sugar. Beat until it's a smooth and creamy texture.
Add reserved Oreo cream, and mix until well combined.
Add your eggs, and mix on low speed for 30 seconds. Scrape bowl if need be and mix on low speed until everything is well combined. Make sure to not over mix.
Add your sour cream and vanilla extract and mix on low speed until well combined.
Add your crushed Oreos and fold in gently with spatula until evenly distributed.
Reduce heat in oven to 325 degrees. Spray sides of spring form pan with non stick spray before adding cheesecake filling on top of baked crust.
Place a baking dish full of hot water on rack underneath middle rack so its directly under your cheesecake.
Add your cheesecake filling to springform pan on top of baked crust, bake for 1 hour and 25 minutes.
When done, it should jiggle slightly like set Jello would.
When done, turn off oven and open oven door. Keep the door open and keep cheesecake in oven to hangout for about 30-40 minutes.
Take out of oven and let cool completely. Place in fridge to chill for about 10 hours or overnight.
Sprinkle crushed Oreos on top of cake when you are about to serve.
Enjoy!