You need 4 ingredients. The key ingredients include: ["Gourmet Homepage | Gourmet Dates | Gourmet Committee | Menu Archives | YWCA Homepage", "2012-13 GOURMET", "MENU #3: FEBRUARY 2, 2013: SIMPLE ITALIAN RECIPES TO COOK AT HOME: RECIPES BY MARIO BATALI", "Back to Menu #3", "PAPPARDELLE BOLOGNESE", "In Italian cuisine, a ragu is a meat-based sauce, which is commonly served with pasta. Characteristically, it contains braised or stewed meat that may be flavored with tomato, to distinguish it from a tomato sauce that is flavored with the addition of meat. So don't be surprised by how little tomato there is in this recipe, this is a sauce you can sink your teeth into!", "Bolognese is perhaps Italy's best-known and loved ragu. Mario's classic version is simply delicious and easy to make, plus it holds well in the fridge for four days and will freeze for a month so you'll be able to enjoy this hearty, Italian favorite for Sunday dinner as often as you like, yum!", "Ingredients", "6 tablespoons extra-virgin olive oil", "3 medium onions, finely chopped", "6 celery stalks, finely chopped", "3 carrots, finely chopped", "7 cloves of garlic, thinly sliced", "1 lb. ground pork", "1 lb. ground veal", "1 lb. ground beef", "6 oz. pancetta, ground", "1 1/2 cans tomato paste (approximately 9 oz.)", "1 1/2 cups dry white wine", "1 1/2 cups milk", "1 1/2 teaspoons fresh thyme leaves", "Salt and pepper to taste", "2 lbs. pappardelle pasta", "Freshly-grated Parmagiano-Reggiano"].