Put the flour into a bowl and mix in the butter, which should be at room temperature, then add the sugar and vanilla extract and mix with your hands until you have a dough.
Prepare your baking tins with greaseproof paper
Bake in the HYSapientia air fryer oven at 160 for 15 mins
For the shortbread fingers, I rolled them out and shaped them neatly.
Roll out the dough to 1/2 inch thick and for the petticoat tails, put some dough in the tin and press until flat.
I used a fork to poke holes in both, which makes the shortbread crispier and helps it absorb moisture, leaving a buttery taste throughout. Sprinkle with granulated sugar.