Winter Root Soup - cooking recipe

Ingredients

1 sweet onion, chopped
1 russet potato, peeled and cubed
1 parsnip, peeled and cubed
1 sweet potato, peeled and cubed
1 yam, peeled and cubed
1 fennel bulb, trimmed and cubed
5 cups water, or as needed to cover
2 cubes chicken bouillon
1/2 cup heavy whipping cream
1 tablespoon salt, or to taste
1 tablespoon sour cream, divided

Preparation

Place onion, potato, parsnip, sweet potato, yam, and fennel cubes into a large saucepan and add water to cover. Bring to a boil and stir in chicken bouillon cubes. Reduce heat to medium and simmer until vegetables are tender, about 30 minutes. Drain and reserve cooking broth.
Place vegetables and 1 cup of reserved broth into a blender, cover, and blend until smooth. Pour in cream and add salt to the soup. Pulse several times to combine. If soup is too thick, blend in more broth. Serve in bowls topped with a small dollop of sour cream.