1/2 lb. butter (1 c.)
1 c. sugar
2 egg yolks
2 c. flour
1 c. chopped walnuts
3/4 c. strawberry jam

Cream butter and sugar; beat until fluffy. Add egg yolks; gradually add flour and nuts. Spoon half the batter into greased 8 x 8 x 2 inch pan. Top with jam; cover with remaining dough. Bake in a 325 degree oven 55 to 60 minutes until lightly brown. Cut when cool.