Carrot and Leek Soup from Soup: A Way of Life by Barbara Kafka

Ingredients

• ½ teaspoon ground cardamom
• 3 medium leeks, white and light green parts only, washed well and cut across into ½-inch (1-cm) lengths
• 5 large carrots, peeled and cut across into thin slices
• Freshly ground white pepper, to taste
• Kosher salt, to taste
• ½ cup (125 ml) heavy cream
• 3 cups (750 ml) Basic Chicken Stock or commercial chicken broth
• 4 tablespoons (60 g) unsalted butter