Meat pastichio creamy custard

Ziti pasta (durum wheat semolina, niacin, ferrous sulfate, thiamin mononitrate, riboflavin, folic acid), whole milk, ground beef, ground lamb, parmesan cheese (pasteurized part skim cow's milk, culture, salt, enzymes, cellulose powder as anti-caking), tomato sauce (tomato puree, salt, onion powder, garlic powder, natural flavorings), dry white wine, whole eggs, water, bread crumbs (wheat flour, contains 2% or less of the following: sugar, yeast, soybean oil, salt), onion, unsalted butter (cream), egg yolk, all purpose flour (unbleached wheat flour, malted barley flour, niacin, iron, thiamin mononitrate, riboflavin, folic acid), dry goat milk (goat milk, vitamin d3, folic acid), olive oil, lemon juice, sea salt, black pepper, nutmeg.