Next time you have a sudden urge to bake, remember this: as long as you have butter, sugar, flour, and salt, you can make one of the most beloved, classic cookies known to mankind. And while the ingredients in shortbread may be few and simple, connoisseurs of the stuff will tell you—not all shortbreads are created equal.
'butter' on Serious Eats
I did my best with our family's old hand mixer but always wondered, do they really mean light and fluffy? How could a stick of butter and some sugar ever be anything but thick and heavy?