Walnut Cookies

Directions

1. 1
   Preheat oven to 325 degrees.
2. 2
   Beat egg yolks with sugar until very thick and almost white.
3. 3
   Mix chopped walnuts and lemon rind into yolk mixture.
4. 4
   Drop teaspoonfuls of batter onto ungreased cookie sheet, leaving 2 inches between them.
5. 5
   Bake for about 10 minutes or until cookies are dry and firm.
6. 6
   Remove from sheet when cool.