2) Add the chicken stock, bring to a boil then lower the heat. Simmer for 20 minutes then remove from the heat and stir in the potato, celery salt and white pepper.
3) Add the cream and then transfer to a blender in two batches and process until the mixture is smooth. Return to the saucepan and keep warm. Squeeze in lemon juice, to taste, and adjust the seasoning as necessary.
4) In a small bowl, toss the pumpkin seeds with the nut oil. Toast in a frying pan until light golden brown (one to two minutes). Sprinkle with fine sea salt.
5) Ladle the soup into four bowls and sprinkle with pumpkin seeds and lemon zest.
Cook's Note: This recipe can be doubled or tripled.
A viewer, who may not be a professional cook, provided this recipe. The Food Network Kitchens chefs have not tested this recipe and therefore we cannot make representation as to the results.