Cream:

1/2 c. butter
1/4 c. brown sugar

Add:

1 egg yolk

Beat.

Add:

1 c. flour

Form balls. Dip in slightly beaten egg white. Roll in 1 cup chopped nutmeats. Press centers. bake in oven 350 degrees 8 minutes. Remove. Press again. Bake 10 minutes. Fill with jam.