Add the olive oil, and then add the onion, apple, and a pinch of kosher salt. Saut for about 5 minutes or until the onions are soft and translucent.
POUR in the chicken stock, cider, thyme, and pepper and bring the mixture to a boil for one minute. Then, add the pumpkin and stir the ingredients together until smooth. Use an immersion blender to puree it until smooth.
STIR in the cream and sugar until the sugar is completely dissolved. Simmer the soup for about ten minutes, or until heated through.