Scottish Shortbread

Directions

1. 1
   Preheat oven to 275°.
2. 2
   Grease 4 x 8-inch round cake pans or 1 (10 x 20-inch) pan, warm butter until it flows.
3. 3
   In large mixing bowl, mix butter and sugar with beater at medium speed until light and fluffy.
4. 4
   Mix in flour 1 cup at a time until well mixed.
5. 5
   Pat evenly in pan or pans with hands.
6. 6
   Prick dough with fork all over. Bake 1 hour or until pale and golden, do not brown.
7. 7
   Cool in pans.