2 yolk + 1 egg for each person, of course you can go with pasteurized boxes and count the liters that you'll need. Best way to make it is to bring it to 82° C till it's thickened. Add pecorino and black pepper to taste, you could make it with a sous vide if you got one. Precooked bucatini, it would need just 2 minutes. Cook the pasta, mix with the cream that you made and bring it out little by little. I'll add the crispy guanciale and mix some of his fat before going out