Wash the potatoes and boil them in the skin in plenty of water until they are cooked through. Let cool down well, peel and cut crossways into approx. 5 mm thick slices. Wash the cucumber, cap both ends, peel and cut across into approx. Mm wide slices. Lay out the cucumber slices in a single layer in a salad bowl, then cover them with the potato slices until everything is used up.
Cut the vegetable onion into smaller cubes. Fry in a pan with 2 tbsp sunflower oil. Add the ham cubes, fry for 2 minutes and pour the mixture over the potatoes.
Wash the spring onions and peppers and cut into small cubes. Wash and peel a carrot and work it into small cubes.
Cap the garlic cloves at both ends, peel them and press them into a bowl with a garlic press. Add the remaining ingredients for the dressing, mix gently and drizzle over the potatoes. Wait a moment and then mix the diced vegetables and carrots into the salad. Leave on for about 15 minutes.
Beat the eggs and fry them with the butter to make a fried egg, season, serve with the potato salad and enjoy.