Name: Classic Shortbread
Prep time: 10 min
Cook time: 35 min
Yield: 22
Cuisine: English, Irish, and Scottish,
Ingredients: 325 g (11 oz) plain flour; 225 g (8 oz) unsalted butter, cold and cut into cubes; 125 g (5 oz) caster sugar (plus extra for sprinkling); 1 tsp sea salt mill adjustable; 1 30cm x 25cm approx. deep baking tray