Mix all the dry ingredients except salt in a large bowl. Stir the mixture thoroughly with hand, until the mixture is well blended.
Put water and egg into the mixture and mix until well blended.
Put the salt and butter/margarine into the mixture and then mix until well blended.
Put some flour onto a table. Remove the dough from the bowl and put the dough onto a lightly floured surface, and knead until the dough is smooth and elastic. Rest the dough for 10 minutes.
After 10 minutes, divide the dough into 40 gram portions, and then arrange them on a baking sheet and rest it for 10 minutes. Cover them with a cloth.
After 10 minutes, gently press the dough into a flat shape, and then round the dough again.
Place the rounded dough on greased baking sheet.
Rest them for about 90 minutes, until the dough is quite fluffy.
In the first 30 minutes, brush the top with a mixture of egg and milk.
Preheat the oven 190-200 degree Celsius and bake it for 20 minutes.
Take out from the oven, brush the top with melted butter.