Cook potatoes, peel, smash and mix with flour and semolina. Involved medium soft dough and let rest. During this time, the sauce is prepared. Chopped onion and grated carrot fry in olive oil. Add chopped tomatoes, cooked beans, chopped garlic (in small pieces), add salt and boil for another few minutes. The dough is made in a roll. Cut into pieces 1 cm. Placed in boiling, salted water. When you come to the surface ready. Serving, add the sauce.