Oreo Cheesecake

Directions

1. 1
   Preheat oven to 350F
2. 2
   Grind the cookies with the butter in the blender or food processor.
3. 3
   Spread and press the cookie mixture on the bottom of the pie pan and smooth out the surface with the back of a spoon. Refrigerate.
4. 4
   In a bowl, whisk the egg yolks with the sugar.
5. 5
   In another bowl, use a fork to mix the sour cream with the cream cheese and vanilla powder.
6. 6
   Mix in the whisked egg yolks.
7. 7
   Whisk the egg whites until stiff, then gently mix in with cheese mixture.
8. 8
   Pour this mixture on top the cookie base and bake for 30 minutes maximum.
9. 9
   When the cheesecake has cooled, refrigerate for at least 4 hours before unmolding.