celeriac, potato and leek soup

Name: celeriac, potato and leek soup
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 Baking potato; 1 pinch of Black pepper; 1 Celeriac; 20 ml of Double cream; 1 dash of Extra virgin olive oil; 1 pinch of Fine sea salt; 1 handful of Fresh chives; 1 handful of Fresh flat leaf parsley; 1 Leek; 1 Vegetable stock cube