Cream butter until soft. Add sugar gradually, beating until light and
fluffy. Add egg yolks and vanilla; beat hard. Sift cardamom and
allspice with flour; gradually add to butter mixture, mixing
thoroughly. Stir in chopped nuts. Spoon half of the dough into a
greased 8 inch square cake pan; spread evenly. Top with strawberry
jam. Cover with remaining dough.
Bake in 325 degree oven 1 hour or until lightly browned. Cool. Cut
into about 1 1/2 inch squares. from Spices of the World Cookbook by