Heat the pan, pour oil and add beef and pork mince, sprinkle with salt and pepper, and cook for several minutes.
When the meat turns brown, add finely chopped onion and carrot, mix well and cook for 3 minutes.
Then add finely chopped garlic, mix, and add wine in 2 minutes, and milk, tomato puree and broth (if you don't have broth, water) after 3 minutes. Mix well and cook on low heat for 4 hours. Stir periodically.
Add cooked spaghetti to the prepared sauce.Bon Appetit!