500g/1lb 2oz Pink Fir Apple potatoes, boiled until tender and cut into small chunks
small handful fresh dill, chopped
1 large garlic clove, chopped
7-8 cornichons, finely chopped
1 lemon, juice only
small handful fresh lovage, chopped
陆 small red onion, chopped
small handful fresh tarragon, chopped
2 tbsp Dijon mustard
3 anchovies in oil, drained and chopped
2 tbsp capers, drained
pinch freshly ground black pepper
100ml/3陆fl oz extra virgin olive oil
salt
100ml/3陆fl oz sunflower oil
1 tsp white wine vinegar
2 free-range egg yolks