Finely chopped onion and chervil with crushed garlic fry in butter, until soft. Add diced lamb, roasted meat sauce, chopped parsley, salt and pepper and mix. The yolks are mixed with the mashed potato, which is distributed in an oiled form of a layer of 2-3 cm. On potato mixture is poured meat stuffing. Rest mashed potatoes is applied on top. The dish is baked in the oven 30-35 minutes.