and a square or rectangular tin is definitely the way to go. The benefits are twofold. First, the shape makes them easier to pack efficiently — squared cookies like shortbread and biscotti fit ...

The very best shortbread cookies are just ... once the flour is added to avoid a tough cookie after baking. You’ll roll out the dough to 1/4-inch thickness and then stamp it out into two-inch ...

Tip the mixture into the lined cake tin and spread it out evenly with the back of a spoon. Then press the shortbread down firmly with your knuckles so that it is tightly packed in the tin.