In a bowl, combine together flour, salt and yeast.
Add in butter and enough water to make a soft dough.
Cover and let it rest for 15 minutes.
Knead the dough for one or two minutes until smooth and elastic.
Cover and set aside until it doubles in volume.
Preheat oven to 250°C.
Knead the dough to form a smooth ball.
Place it on a greased tray and gently flatten it.
Using a blunt knife or spatula, make lines around the edge of the circle.
Using a small bowl, make a deep indentation in the centre.
Make criss cross pattern in the centre and using your fingers make the edges of the centre indentation deep.
Brush the bread with milk and sprinkle nigella seeds.
Bake in the preheated oven for 20 – 30 minutes or until the top is golden.