Butter Cookie Thins

Directions

1. 1
   In a food processor or with electric mixer, press or beat butter and sugar until light and fluffy; add egg yolk.
2. 2
   Gradually add flour and dash of salt; blend until smooth.
3. 3
   In a small bowl, combine superfine sugar and cinnamon; set aside.
4. 4
   Drop dough by rounded teaspoons onto an ungreased cookie sheet.
5. 5
   Dip bottom of a moistened glass in sugar mixture and press cookies to flatten slightly.
6. 6
   Bake at 350° until edges are slightly golden, about 8 minutes.
7. 7
   Cool on a wire rack.
8. 8
   Makes about 3 dozen.