#223 celeriac and potato mash

1 celeriac root (celery root)
1 yellow potato about the same size as the celeriac root
4 cloves garlic
1 bay leaf

1 tbsp butter
2 heaping tsp sour cream

Peel celeriac root and dice, dice potato and boil with garlic and bay leaf until roots are tender. Drain, remove bay leaf and mash with butter and sour cream