In pan sifted flour 3 times (maybe only two) add the yeast, sugar and a pinch of salt and mix. Make a well in it put the eggs and lemonade and knead dough, adding more flour if necessary. Blended into a soft dough with greased or wet hands detach and form balls which are arranged in a baking dish. Do topping. Leave to rise, then bake in a preheated 200C until golden. Before firing can be smeared with egg. By subtracting sprinkled with plenty of icing sugar.