Blue Cheese and Walnut Lasagne

milk, potatoes, water, blue cheese 7.9% (milk, lactic ferments, salt, rennet, yeasts and penicillium), mozzarella (pasteurized cow’s milk, salt, ferments, rennet, sodium citrate, citric acid, potassium sorbate), durum wheat semolina, manitoba flour, butter, walnuts 2.5%, sunflower oil, fresh eggs, ricotta (whey, milk, salt, citric acid), “00” flour, aged cow’s milk cheese, salt, rice cream, egg yolk powder, spices