Cook the pasta in boiling salted water for 8 - 10 minutes until al dente
Peel onion and cut into thin rings. Wash and slice the tomato. Mix vinegar, 1-2 tsp. water, salt, pepper and sugar. Mix with tomato and onion rings
Drain the pasta. Roughly dice the ham and cucumber. Wash parsley and chop except for a little bit. Whisk egg and parsley, season
Heat the oil in a small coated pan. Fry the ham and noodles in it. Add cucumber. Pour the egg over it and let it simmer for 5-8 minutes at low heat. Serve with the tomato salad and garnish with the rest of the parsley
If you often eat spaghetti: the amount for this omelette should be cooked 2-3 days before. 50 g raw noodles make 150 g cooked