How much to cook bolognese sauce?

Original bolognese sauce

Products
Ground beef - 250 grams
Minced pork - 250 grams
Pancetta (spicy salted bacon) - 100 grams
Bow - 1 head
Carrots - 1 piece
Garlic - 2 teeth
Celery - 1 stalk
Olive oil - 1 tablespoon
Butter - 1 tablespoon
Milk - 1 glass
Dry wine - 1 glass
Tomato paste - 2 tablespoons
Canned Tomatoes - 800 grams
Pepper mixture - 2 teaspoons

How to cook bolognese
1. Finely chop the pancetta.
2. Peel and finely chop the onion and garlic, peel and rub the carrots on a coarse grater.
3. Add butter to a saucepan, put on low heat and melt.
4. Add onions, garlic, carrots and pancetta, sauté for 10 minutes.
5. Add minced meat, mix well with vegetables.
6. Pour in milk, increase the heat, bring the bolognese to a boil and cook for 10-15 minutes - the milk should be absorbed into the meat.
7. Pour in wine, bring to a boil and simmer for another 10-15 minutes.
8. Add tomato paste and canned tomatoes (crush tomatoes with a spoon).
9. Add 2.5 cups water, seasoning and salt.
10. Reduce heat to low, cover and cook sauce for 2 hours, stirring every 15 minutes.
11. Season with salt and pepper to taste.
Serve on pasta with grated Parmesan cheese.

Store the bolognese in the refrigerator for no more than 3 days.