4 Cups flour                                    1 cake Yeast
1 1/3 Cup butter                               1/2 tsp baking soda
2 egg yolks                                     1/2 Cup sour cream
1 egg                                              1/2 lb ground walnuts
1/4 tsp. salt                                      1 Cup sugar     
1Tbsp. sugar

Combine walnuts and sugar and set aside.  Sift flour, baking soda, 1 Tbs sugar and salt together into bowl.  Cut in butter as for pie crust.  Add egg, egg yolks, crumbled yeast and sour cream. Knead together well.  Divide dough into 4 pieces.  Roll1 piece to fit 12 x 14 inch pan.  Place in bottom of pan.  Spread a thin layer of preserves on dough.  Sprinkle on 1/3 of nut mixture. Repeat layers ending
with dough for top layer.  Let rise in warm place for 1 hour. Bake at 350 degrees for 45 minutes. Cool and spread with chocolate icing.
Slice in one inch squares.