Herby potato salad with crisp topping

Name: Herby potato salad with crisp topping
Prep time: 15 min
Cook time: 50 min
Total time: 50 min
Yield: 6 portions
Ingredients: 1 tsp Dijon mustard; 90 g extra virgin olive oil; 60 g red wine vinegar; 1 tsp caster sugar; 2 pinches sea salt; 2 pinches ground black pepper; 500 g water; 1000 g new baby potatoes; 4 spring onions/green onions; 7 sprigs fresh parsley; 5 sprigs fresh dill; 7 sprigs fresh chives; 200 g extra virgin olive oil; 1 egg; 20 g freshly squeezed lemon juice; 1 tsp Dijon mustard; 2 pinches sea salt; 2 pinches ground black pepper; extra virgin olive oil; 2 tbsp pickled capers; 4 garlic cloves; 2 tbsp flaked almonds; 60 g rocket leaves; 12 cornichons