Cook spaghetti in plenty of boiling salted water for 8-10 minutes until firm
Clean and wash the leek and cut into fine rings. Fry the minced meat in hot oil until crumbly, season. Fry the leek briefly
Stir in 1/4 l water and wine or broth, bring to the boil. Add cream. Let the sauce simmer for about 2 minutes
Melt the cheese in flakes while stirring in the sauce. Bring to the boil again, thicken and season to taste. Serve with the spaghetti