Kifles - cooking recipe

Ingredients

1/2 c. sour cream
1 Tbsp. boiling water
1 pkg. dry active yeast
1/2 c. butter
2 c. flour
2 egg yolks
1 c. finely chopped walnuts
1/2 c. sugar
1 tsp. vanilla
2 egg whites

Preparation

Combine sour cream and boiling water; mix well.
Stir in yeast. Let stand 3 minutes.
Stir until yeast is completely dissolved; set aside.
Place butter and 1/2 cup flour in small bowl.
Add sour cream mixture and beat 1 minute at low speed.
Add egg yolks and 1/4 cup of flour; beat at medium speed for 1 minute.
Stir in the remaining flour to make soft dough.
Turn onto floured surface; knead for 8 to 10 minutes.
Divide into 3 balls.
Wrap in wax paper.
Chill for 2 hours or up to 5 days.
When ready to shape, combine nuts, sugar and vanilla.
Fold in the whipped egg whites. On a dusted surface with confectioners sugar, roll each ball of dough into a 10-inch circle; cut each into 12 wedges.
Top wide edges with 1 teaspoon of filling.
Roll from wide edge.
Place on greased baking sheets, with points underneath.
Bake at 375\u00b0 for approximately 20 minutes.
Cool on wire racks.