Ingredients 500g plain flour 1 ½ tbsp baking powder pinch of salt 125g unsalted butter, cubed and chilled 50g caster sugar 300ml milk 75g natural yoghurt egg yolk and a pinch of salt for glazing Method Preheat the oven to 180C. Line a flat baking tray with greaseproof paper. Sift together flour, sugar and baking […]