Smallage, also called Cutting Celery

2 leeks, chopped
1/2 celeriac (celery root), diced
1 bunch of smallage, chopped
6 cups of homemade chicken broth
3 tbs olive oil
salt and pepper to taste

Saute leeks and celeriac briefly in olive oil. Add chopped smallage and chicken broth. Cook for 20 min. Puree in blender. Season to taste.