To mix all dry ingredients into a bowl. Add room temperature water, beer and white vinegar. Stir well with the spoon, cover with cling film and leave it for 12-18hours. For 1st fermentation.
2
After 12-18hours, take out the dough and place onto a dusted with flour surface and turn 10times forming a loaf.
3
Put a loaf in a piece of baking sheet sprayed with oil, sprinkle with some flour and make some cut with razor.
4
Cover with cling film and leave for 2hours for second fermentation. 30min before baking preheat the oven at maximin temperature with an ceramic caldron with lid inside.
5
Put loaf into a hot caldron, cover with the lid, minimize the hit to 220-230C and bake for 30min. Uncover the lid and bake another 10-13min.