Steam the onion until translucent. Fry the minced meat with salt and a lot of cayenne pepper until crumbly. Add ketchup.
Put the pasta and minced meat in a bowl, mix and let cool. Chop the gherkins and corncobs and add.
Salad dressing: Mix olive oil, red wine vinegar, lemon, salt, pepper and sugar and pour over the pasta and minced meat salad, mix and best serve with white bread.