Name: Celeriac and Parsnip Puree
Prep time: 20 min
Cook time: 20 min
Yield: 4
Cuisine: American
Ingredients: 1 celeriac, peeled and chopped into large chunks; 450g parsnips, peeled and chopped into large chunks; 150ml sour cream; 100ml milk; 30g butter; Salt and freshly ground black pepper