Sieve flour and salt into a bowl, stir in sugar, if used.
Rub in margarine.
Add sufficient milk to make a soft dough.
Turn onto a floured board and gently knead to remove any cracks.
Roll out lightly to 1” in thickness. Cut into scones with a cutter dipped in flour.
Place on a floured pre-heated baking sheet/tray, glaze if liked with beaten egg or milk.
Bake in a pre-heated oven 425°F/220°C/Gas 8 on upper shelf position for 10 mins. approx .
Cool on a wire tray.