Preparation
Step: 1/8
Place the potatoes in a pan, cover with water and add the caraway and some salt. Bring to the boil and cook, covered, for 30 minutes until tender.
Step: 2/8
Drain the potatoes, then peel and thinly slice.
Step: 3/8
Mix the vinegar with the stock and mustard.
Step: 4/8
Season with salt and pepper.
Step: 5/8
Add a tablespoon of the potato slices and 3 tbsp oil to a blender and blitz finely. Season to taste.
Step: 6/8
Pour over the remaining potatoes and mix gently.
Step: 7/8
Wash and slice the radishes. Add to the potatoes with the cress. Leave to stand in the fridge.
Step: 8/8
Meanwhile peel and finely dice the onion. Brown in hot oil, then pour in the wine and allow to simmer. Spoon over the potato salad.