Beef Short Ribs:

• 2 lbs beef short ribs, cut into 2-inch cubes
• 2 tablespoons olive oil
• Kosher salt

Sauce:

• 1 cup white onion, diced
• ½ cup celery, diced
• ½ cup carrot, diced
• 4 garlic cloves, minced
• 2 tablespoons tomato paste
• 1 cup red wine
• 1 cup beef or chicken broth
• 1¾ cups crushed tomatoes
• Herb bundle (rosemary, thyme, parsley stems)
• 2 bay leaves
• 2 tablespoons vinegar
• Fresh cracked pepper

To Serve:

• 1 lb tagliatelle or pappardelle
• Chopped parsley and grated Parmigiano Reggiano, for garnish