Celery Root Mashed Potatoes Ingredients 6 (about 3 pounds) medium russet potatoes, peeled and diced Salt 1 (about 1 1/4 pounds) large celery root, peeled and diced 4 tablespoons unsalted butter, softened, divided 1 cup heavy cream, divided Freshly ground black pepper Directions In a large, heavy-bottomed pot add enough water to completely cover the [...]