Ingredients
4 large potatoes, peeled and sliced
4 cups chicken stock, plus more as needed
1 large clove garlic
1 cup shredded sharp Cheddar cheese, or a mixture of sharp Cheddar and smoked Gouda
1/4 cup chopped fresh chives
Salt and freshly ground black pepper
1 cup heavy cream, half-and-half, or sour cream (optional)
1/4 cup crumbled sharp Cheddar cheese, for garnish