Potatoes and boiled until still warm creases. Of these products knead a soft dough. Merge brewer's yeast in lukewarm water. After it has melted add 1 tbsp sugar and 2-3 tablespoons of flour, stir well and leave to rise. In a large bowl empty the remaining water and add the yeast mixture, up the cold potato, olive oil and mix well. Add flour gradually, which has previously stirred salt. When you receive a similar mixture of cake, sprinkle the table with plenty of flour, pour the mixture on top and begin to knead the dough, adding flour continuously. The dough is ready when it stops being sticky hands. Allow two days left in the refrigerator to rise, covered with a damp cloth and cover. * From kneaded dough are obtained 3 pizzas. * When do I get pizza pan, put a little olive oil on top put dough for pizza and started to roll out the hands.