1/2 lb. butter
1 c. sugar
2 egg yolks
2 c. flour
1 c. ground walnuts
1/2 c. apricot or strawberry jam

Cream sugar gradually then egg yolks. Blend well, gradually add flour, then fold in ground nuts. Spread half of batter into cake pan (batter is thick). Top with jam - leave edges free, top with remaining dough. Spread carefully, use fingers if desired. Bake, cool. Cut into squares. Sprinkle with powdered sugar. Needed - 9 inch square cake pan. Bake at 325 degrees for 45 minutes.