Potato Nests With Crab And Apple Topping

Name: Potato Nests With Crab And Apple Topping
Ingredients: 2 x potatoes (baking or Yukon Gold are fine) peeled and grated, about 7 to 8 oz; 1 tbsp chopped parsley; Salt; 1 x egg, beaten lightly; 1/2 tsp freshly grated nutmeg; Freshly grated red peppercorns, to taste; 1 oz melted butter; 1/2 cup crab meat (lump); 1/2 x organic green apple, grated or cut in small sticks; 2 tbsp pomegranate seeds; 1 x scallion, chopped; 1 tbsp chopped coriander; 1/2 tbsp chopped chives plus more to decorate; 1 tbsp olive oil; 1 tbsp lime juice; salt and pepper; Crème fraîche, to serve