Westphalian Cheesecake

Directions

1. 1
   Preheat the oven to 325F (160C).
2. 2
   Press the cottage cheese through a sieve.
3. 3
   In a large mixing bowl, cream the butter with the sugar, do not beat, then add the egg yolks and vanilla.
4. 4
   Blend until the mixture is light and fluffy.
5. 5
   Add the cream cheese, cottage cheese and cornstarch and blend well.
6. 6
   In another mixing bowl, beat the egg whites until they form stiff peaks; then fold them into the cheese batter.
7. 7
   Pour the mixture into the prepared crust and bake for about 1 hour or until the top is a golden brown.
8. 8
   Leave the cake in the oven to cool for 2 hours then chill.