Peel the potatoes well and boil sheet. Once cool cut to the middle of the slices. Careful, because you potatoes fall apart. Tomatoes and sausage, cut into very thin slices and arrange between slices of potato, tomato to each is placed on a leaf oregano and rosemary. Then add salt and pour a little olive oil. Place in a baking dish and baked in the oven for about 10 minutes.