Preheat oven to 220 degrees

Sift the flour, bicarb and cream of tartar into a large bowl

Rub in the fats until it looks like breadcrumbs

Add the milk all at once and mix briefly with a knife

Turn onto a floured surface and knead lightly to form a dough

Roll out to about 3cm thickness

Dip cutter into some flour (6 ½ cm round cutter) and cut out scones.

Bring excess dough back together to cut out more scones (I made 11)

Place on a lightly greased baking tray quite close together and brush with egg wash

Place in oven and cook for 10 minutes or until risen and golden