GERMAN POTATO SALAD WITH SOUR CREAM

6 medium potatoes boiled in skins
1/4 cup white wine vinegar
2 tsp sugar
1 tsp salt
1/4 tsp fresh ground black pepper
1/4 tsp dry mustard powder
1 pt sour cream
1 cup peeled and thinly sliced cucumber
hungarian paprika

Peel and slice the potatoes while still warm and place them in a mixing bowl.

Combine the vinegar, sugar, salt, mustard and pepper and mix well. Add the sour cream and cucumber and mix again.

Pour the mixture over the potatoes and toss gently but well. Place in a serving dish and sprinkle with the paprika.