Tagliatelle Bolognese

Ingredients

• 400 g tagliatelle pasta
• 2 tbsp olive oil
• 1 large onion, finely chopped
• 2 cloves garlic, minced
• 1 carrot, finely chopped
• 1 celery stalk, finely chopped
• 500 g ground beef, or a mix of beef and pork
• 1 cup red wine
• 2 cups tomato passata or crushed tomatoes
• 1 cup beef or vegetable broth
• 1 tbsp tomato paste
• nutmeg, a pinch
• salt
• black pepper
• Parmigiano-Reggiano, freshly grated, for serving
• fresh basil leaves, for garnish