Scottish Shortbread

Directions

1. 1
   In medium mixing bowl, soften butter slightly by creaming.
2. 2
   Stir in sugar, salt and egg yolk.
3. 3
   Add flour, a little at a time, until mixture is too stiff to work with a spoon.
4. 4
   Turn out onto floured board and knead lightly, blending in more flour until dough begins to crack.
5. 5
   Divide dough into 3 portions and pat into 6-inch circles on ungreased baking sheets.
6. 6
   Pinch edges and prick all over with fork.
7. 7
   Bake in 325 F. oven about 30 minutes or until pale golden brown.
8. 8
   Canadian Living