Combine the strong white bread flour and sea salt in a large bowl.
Rub the butter or vegetable shortening into the flour until evenly distributed.
Place the yeast in a small bowl with a little of the warm water and mix until dissolved.
Add the yeast mixture to the flour mixture and combine.
Gradually add the remaining warm water and mix to form a dough.
Knead thoroughly until smooth, elastic and pliable.
Cover with a clean cloth and leave to prove until doubled in size, approximately 20 minutes.
Gently knock back the dough without adding additional flour.
Shape as desired.
Leave to prove again until doubled in size.