Kifles - cooking recipe

Ingredients

1/2 c. dairy sour cream
1 Tbsp. boiling water
1 pkg. dry yeast
1/2 c. softened margarine
2 c. flour
2 eggs, separated
1 c. walnuts, finely chopped
1/2 c. sugar
1 tsp. vanilla extract
confectioners sugar

Preparation

Combine sour cream and 1 tablespoon boiling water; mix well. Stir in package of dry yeast.
Let stand 3 minutes.
Stir until yeast is completely dissolved; set aside.
Place 1/2 cup softened margarine and 1/2 cup flour in small bowl.
Add sour cream mixture and beat 1 minute at low speed.
Add 2 egg yolks and 1/4 cup flour, beat at medium speed for 1 minute.
Stir in enough additional flour (about 1 to 1 1/2 cups) to make soft dough.
Turn onto floured board and knead 8 to 10 minutes.
Divide into 3 pieces.
Wrap with wax paper.
Chill 2 hours or up to 5 days.