Swedish Cookies

Directions

1. 1
   Cream butter and sugar until light.
2. 2
   Add egg yolk and mix well.
3. 3
   Add vanilla and sifted flour.
4. 4
   Roll dough into small ball and dip into egg white which has been slightly beaten.
5. 5
   Roll in walnuts.
6. 6
   Put on greased baking sheet and press down center with handle of knife.
7. 7
   Bake at 325° for 15 minutes or until light brown.
8. 8
   While still warm, put apple jelly in each center.