Swabian Potato Salad

Ingredients
- 500g potatoes - 1 stock cube (vegetable, chicken or meat) - 1 small onion - 1 tablespoon of mustard - parsley - olive oil - vinegar - pepper
Instructions
1. boil and peel potatoes, leave them to cool 2. dissolve the stock cube in 1/4 cup of water 3. chop the onion into small pieces, add it to the stock 3. add mustard, pepper, vinegar, parsley and oil to taste 4. add the dressing to the cold potatoes