Start with the preparation of the sausage, Mix together the sausage meat, bread crumbs, herbs eggs, nuts, eggs and cheese and mould into small patties. Put the crushed but not peeled garlic cloves in a pan over a moderate fire and start cooking the patties turning on each side to brown. Remove and discard garlic. Stir in the mushrooms and the guanciale and cook for further 2 minutes. De glace with the wine, allowing evaporation. Meanwhile boil the pasta boil the pasta in plenty boiling salted water. Take a ladle spoon full of the boiling water and add it to the sausage. In a separate bowl, whisk the yolks, lemon zest, grated parmesan and black pepper. Drain the pasta and toss in the frying pan to mix, remove from heat. Add the yolk mixture, stirring quickly and continuously until the liquids in the pan turn into a creamy sauce.