Homemade Bolognese Sauce

Bahan-bahan (6 porsi)

• 2 tablespoons olive oil
• 1 yellow onion (finely diced)
• 4 cloves garlic (crushed)
• 1 carrot (finely diced)
• 1 rib celery (finely diced)
• 1 pound lean ground beef
• ½ pound lean ground pork
• 1 ¼ cups red wine (or beef broth)
• 1 cup whole milk
• 1 can whole tomatoes (with juices, 28 ounces each)
• 4 tablespoons tomato paste
• 1 teaspoon Italian seasoning
• 1 bay leaf
• ½ teaspoon salt (more to taste)
• ¼ teaspoon black pepper
• pappardelle (or long pasta, for serving)