A traditional German potato salad with a tangy dressing and crispy bacon.
Boil the potatoes until tender, then drain and let cool slightly.
Cook the bacon in a skillet until crispy, then remove and crumble.
Sauté the chopped onion in the bacon fat until softened.
Mix the vinegar, mustard, sugar, salt, and pepper in a bowl.
Combine the potatoes, bacon, onion, and dressing in a bowl and mix well.
Garnish with fresh parsley and serve warm.