Wash the potatoes and cook in boiling water for 15-20 minutes. Then rinse with cold water and peel. In the meantime, clean and wash the sugar snap peas and cook them in boiling salted water for about 5 minutes.
Wash, clean and quarter the tomatoes. For the cream, stir mayonnaise, yoghurt and vinegar until smooth. Season with salt, pepper, sugar and curry. Fold the curry cream into the prepared salad ingredients. Wash, chop and sprinkle over the parsley.
Serve garnished with parsley leaves.