Shortbread

Directions

1. 1
   Heat oven to 300°.
2. 2
   Line pans with double layer of brown paper. Do not grease.
3. 3
   Sift sugar; knead in butter (use on hand it is messy!).
4. 4
   Add egg yolk; mix in.
5. 5
   Add flour one cup at a time; knead until smooth.
6. 6
   Divide into 3 (8 or 9-inch) pans.
7. 7
   Pat out with hand to 1/4 to 1/2-inch thickness.
8. 8
   Prick all over with fork.
9. 9
   Crimp edges and mark lightly with knife.
10. 10
    Bake for 45 minutes to 1 hour. Shortbread should be very pale.