Ukrainian Cheesecake

Directions

1. 1
   Preheat the oven to 325 degrees Fahrenheit.
2. 2
   Press the cottage cheese through a sieve and drain.
3. 3
   In a large mixing bowl, beat the egg yolks until light and foamy, then add the sugar slowly, continuing to beat until very light and smooth.
4. 4
   Add the cottage cheese to the egg mixture, blending well, then add the sour cream, cornstarch, lemon rind, and walnuts (if desired).
5. 5
   Stir until all ingredients are well blended and the mixture is smooth.
6. 6
   In another large mixing bowl, beat the egg whites until they form soft peaks, then gently fold them into the batter.
7. 7
   Pour the mixture into the prepared crust and bake for about 1 hour.
8. 8
   Cool to room temperature before serving.