3 meat ragu bolognese Recipes

butter (divided ), oil (divided ), pancetta or 3 oz parma ham (prosciutto) or 3 oz mortadella, ground meat (beef chuck, veal and pork shoulder), onion, carrots, celery ribs, garlic cloves, chicken livers, dry white wine, whole milk (divided ) or 1 cup cream 1 cup milk (divided), whole tomatoes, crushed or 2 lbs passata, tomato paste, chicken stock, nutmeg, salt and pepper, to taste at end

olive oil, carrots, finely diced, stalks celery, finely diced, onion, finely diced, garlic cloves, finely diced, dried oregano, salt, pepper, ground beef, ground pork, beef or 2 cups chicken broth, tomato sauce, diced tomatoes, cream or 1 1/2 cups half-and-half, divided