Preheat the oven to 220°Celsius

Put the flour, fructose and salt into a food processor

Pulse a few times to mix

Add the butter and process until the butter is mixed in

Add the sourdough and slowly pour in the milk while mixing until a dough forms

Turn out onto a well-floured surface and form into a ball

Flatten into a disc shape 3cm high

Cut out circles using a cutter – I used a glass – and place on a lined baking tray

Beat together the egg and the milk

Brush over the top of the scones

Bake for 12 minutes and cool on a wire rack

Serve while still warm