Cook the spaghetti in salted water until al dente.
Roast the ham cubes in a coated pan without fat, add onions and garlic and sweat until translucent. Deglaze with the milk and bring to the boil, add the vegetable stock, salt and pepper and stir in the processed cheese. Allow to reduce a little, season to taste and thicken with the cornstarch as desired.
Serve mixed with the spaghetti and grind with pepper.
The sauce has 4 p. Together with a filling portion of spaghetti 11 p.