Ingredients
Method
- Melt butter in a soup pot over medium. Cook onion 7 minutes until soft; add celery root and stir 3 minutes.
- Add potatoes, broth, bay leaf, salt, and white pepper. Simmer partly covered 20 to 25 minutes until both vegetables are tender.
- Discard bay leaf. Mash in pot with 6 to 8 firm strokes, leaving most potato cubes intact.
- Add milk and cream. Warm over low 5 minutes until steaming, stirring bottom and avoiding a hard boil.
- Divide among 6 bowls, including broth and potato pieces in each.