Preheat your oven to 180°C (160°C Fan, gas mark 4) and line a baking tray with parchment paper.
Cream butter and sugar together until light and fluffy. You can do this with a food processor, electric whisk or by hand using the ‘rub-in method’ (though this takes a little longer).
110 g Butter, 55 g Sugar
Pour plain flour into the mixing bowl or food processor and mix together until a dough has formed. Use your hands to gather the dough together to form a ball.
170 g Plain Flour
Lightly flour your work surface and place the dough on top of it. With a lightly floured rolling pin, roll the dough out until it has a 0.5cm (5mm) thickness. Use a cookie cutter to cut-out your shapes of choice.
Place the cut-out dough onto a lined baking tray. At this stage, you can press the shortbread biscuits halfway with a fork to help remove any air bubbles when baking, but this is optional.
Bake the biscuits in the oven for 10 minutes or until the edges have turned a light golden-brown colour. Leave the biscuits to cool down before transferring to a cooling rack or plate.
Video
Notes
Double the recipe ingredients to make larger batches of shortbread biscuits. Especially if you plan to make sandwiched biscuits (like in a few of my photos).