Store-bought biscuit mixes leave something to be desired and homemade batches are time-consuming. How can you choose between the lesser of the two evils?

Instead of vanilla, try flavouring the biscuit mix with orange zest or ground cardamom. Preheat the oven to 180C/350F/Gas 4 and line two baking trays with baking parchment. Put the butter and ...