Preheat oven to Fahrenheit 300°
In a medium size bowl beat 24 oz. of cream cheese until thick and creamy
Add sugar and beat until smooth
Add eggs one at a time, until mixture is well combined
Stir in vanilla and flour
Pour into springform pan over oreo crust
Sprinkle reserved cup of oreo crumbs over the top of the cheesecake batter
Using a knife, gently swirl in the crumbs
Bake at Fahrenheit 300° for 1 hour until cake is set, but still wobbles when pan is tapped
Remove from oven and slowly pour sour cream topping over cake
Gently smooth to edges and place back in oven
Cook for additional 10 minutes
Remove from oven and let cool to room temperature
After cooled, store in fridge until ready to eat