Gram's Scottish Shortbread Cookies

Cream butter, sugar and vanilla in large bowl until smooth. Gradually work in flour with a wooden spoon to make a stiff dough; chill 30 minutes.

Roll out on lightly floured surface to 1/4-inch thickness.

Cut with cutter, or into squares with a knife.

Bake about 30 minutes in a 300° oven; do not overbake. Store in tightly covered container when cold.