Dice the onion, grate the carrots on a coarse grater, fry everything in vegetable oil.
In the minced meat, add the egg and chopped garlic. Salt, pepper.
Stuff well mix, roll balls the size.
Carefully put the meatballs in a single layer to the vegetables in the pan.
Pour in milk. Do not mix meatballs until they change color. Only after that the meatballs can be safely mixed. Stew in milk until the milk has completely evaporated.
Now add chopped tomatoes and tomato paste. Stir, lightly salt. Add bell peppers and spices to taste.
Separately boil spaghetti in boiling salted water. Serve spaghetti with meatballs .