1 - To make the pastry, rub 225g cold, diced butter into 350g plain flour, then mix in 100g golden caster sugar and a pinch of salt.

2 - Combine the pastry into a ball – don’t add liquid – and knead it briefly.

3 - The dough will be fairly firm, like shortbread dough.

4 - You can use the dough immediately, or chill for later.

5 - Preheat the oven to 200C/gas 6/fan 180C.