Peel and finely dice the onion and garlic. Heat the oil in a large pan. Crumble the minced meat into it and fry while turning. Add herbs, onions and garlic and fry briefly. Add tomato paste and stir in.
Sauté briefly. Deglaze with tomatoes and stock. Season with salt, pepper, paprika and sugar. Bring to the boil and boil down for about 10 minutes. Put spaghetti in boiling salted water and boil for 11 minutes. In the meantime clean, wash and cut leek into very fine strips. Add the leek strips 3 minutes before the end of the cooking time. Pour cream into the tomato mince sauce, bring to the boil, season again with salt, pepper, paprika and sugar. Pour spaghetti into a sieve, quench briefly and drain.
In the meantime clean, wash and cut leek into very fine strips. Add the leek strips 3 minutes before the end of the cooking time. Pour cream into the tomato mince sauce, bring to the boil, season again with salt, pepper, paprika and sugar. Pour spaghetti into a sieve, quench briefly and drain. Arrange noodles and sauce on a plate. Sprinkle with parmesan and serve garnished with basil as desired