Knead all ingredients to a smooth yeast dough, cover and place in a warm place for 1 hour and let rise (double the amount). Preheat the oven to 220 ° C and bake on the middle rack for 35 minutes.
Note: At the request of the recipe sender and the many comments, we reduced the number of packets of yeast in the recipe from four to two on June 27, 2014.