Combine strong flour, sugar, salt, dry yeast, milk, and butter in a bowl and mix together.
Knead the dough by hand for 15 minutes until it becomes smooth.
Cover the dough with plastic wrap and let it ferment for 1 hour.
Divide the dough into 6 portions and shape them into balls.
Roll out each portion with a rolling pin, place butter on top, and roll it up tightly.
Brush the top of the bread with olive oil and sprinkle salt.
Bake in a preheated oven at 180°C for 18-20 minutes until done.