Hasude

Instructions

1. 1 Mix flour with cold butter, powdered sugar, egg yolk, and sour cream to form a smooth dough, then chill for thirty minutes.
2. 2 Combine ground walnuts, sugar, and cinnamon for the filling.
3. 3 Roll the dough out to about half a centimeter thick and cut into small triangles.
4. 4 Place a teaspoon of filling on the wide end of each triangle and roll toward the point, curving into a crescent.
5. 5 Place on a lined baking sheet and bake at 175°C for eighteen to twenty minutes until lightly golden.
6. 6 While still warm, dust generously with powdered sugar.