Scotch Shortbread

Directions

1. 1
   Combine butter, sugar and about half the flour until mixed. Add the rest of flour and vanilla.
2. 2
   Work with hands until smooth. Chill.
3. 3
   Flatten dough to cover a 10 x 15-inch jelly roll pan. Press edges with fork.
4. 4
   Prick with fork here and there.
5. 5
   Bake in a 300° oven for about 45 to 55 minutes or until lightly browned. Let stand for 5 to 10 minutes.
6. 6
   Cut into squares while still warm.