Place flour and salt in mixing bowl and mix together.
Add softened butter to flour and mix by hand.
Mix milk, egg, sugar and yeast together using a hand whisk.
Add liquid to mixing bowl and combine all ingredients together.
Empty out onto work top and knead for 5 to 10 minutes.
Place the kneaded dough in the mixing bowl, cover with a plastic bag and set aside to ferment for 30 minutes.
Divide the dough into 6 equal parts and mould into round balls.
Using both hands roll each ball out into a rope about 25cm long.
Make 2 x 3 string plaits. Place on a baking parchment papered baking tray.
Egg wash well and set aside until fully risen (about 35-40 minutes)
Bake at 200ºC for 25 minutes