How to Make Keeflies
- For Filling: Beat egg whites and sugar until smooth. Add walnuts. Chill until firm.
- For Dough: Mix flour and butter like pastry. Add beaten yolks and sour cream. After mixing, knead dough. Refrigerate until firm.
- Generously flour table or board when rolling dough. Form dough into small balls and roll out paper thin. Take a teaspoon of filling and place on dough. Fold into a crescent shape.
- Bake @ 350 on parchment paper until golden brown (about 18-20 min). After cooling, dust with powdered sugar.