INGREDIENTS
•
2 tablespoons fresh lemon juice
•
1 1/2 pounds Jerusalem artichokes (sunchokes)
•
3 pounds russet potatoes, peeled, cut into 2-inch pieces
•
1 teaspoon salt
•
1/2 cup crème fraîche or sour cream
•
1/4 cup (1/2 stick) butter
•
6 tablespoons chopped fresh chives