Our Favorite Potato Leek Soup

Ingredients (8)

• 3 tablespoons butter or olive oil
• 3 large leeks
• 2 medium-to-large russet potatoes, peeled and chopped into 1/2-inch cubes
• 6 cups stock or broth, see our chicken stock or vegetable broth
• Half of a bay leaf
• Salt and fresh ground black pepper
• Pinch freshly ground nutmeg
• Crème fraîche, sour cream, or cream for serving, optional