Potato salad with preserved lemon crème fraîche

Name: Potato salad with preserved lemon cr`eme fra^iche
Prep time: 30 min
Cook time: 10 min
Total time: 40 min
Yield: 4 servings
Cuisine: Side Servings
Ingredients: For the wholegrain mustard vinaigrette, whisk: ,wholegrain mustard 2 T,olive oil 3 T,white wine vinegar 1 T,lemon juice 1 t,salt, to taste ,For the salad: ,baby potatoes, boiled and halved 10,green grapes, halved a handful,green apple, cut into matchsticks 1,fennel, roughly sliced 1⁄2 bulb,celery bulb, roughly chopped 1⁄2,green olives, halved 10,parsley, roughly chopped 10 g,dill, roughly chopped 10 g,sea salt, to taste ,freshly ground black pepper, to taste ,To serve: ,crème fraîche 250 g,Woolworths preserved lemon 1 t