Heat the oil on middle-low flame and infuse it with the chopped garlic cloves. Add tomato passata and simmer for 2 minutes. Add salt, pepper, sugar, peppercorns, thyme and bay leaves. Stir, cover partially and let it reduce for about 10 minutes.
Add more warm water and the vinegar. Stir, taste and correct the salt and sugar level if necessary. Add the meatballs, cover them in sauce and cook together for another 15-20 minutes.Serve immediately with mashed potatoes or rice and your favorite salad. Enjoy.
Keyword meatballs, meatballs with sauce, sauce for meatballs, tomato sauce