Mix flour and salt together and work in the butter, make a well in bowl.

Dissolve yeast into water and add sugar, mix then pour into well, cover and leave to stand for a few minutes to start to ferment. 

Work the mixture to a dough that leaves the sides of the bowl clean.

Turn dough onto work surface and knead thoroughly for 10 minutes.

Return dough to bowl, cover and leave till doubled size.

Turn the dough out onto a work surface, knock back and roll into a long log.

Place in a loaf tin or cut into rolls, place on baking sheet/in tin, recover and leave to rise until doubled in size again.

Spray with water and sprinkle with flour.

Bake for 15 mins for rolls or 30-35mins for a loaf in an oven pre-heated to 210c.