Sweet Potato Vichyssoise - Love of Food

Ingredients

• 2 tablespoons unsalted butter
• 2 cups thinly sliced leeks, white part only
• 1/2 cup onion, diced
• 2 cups chicken stock
• 4 cups sweet potatoes, peeled and diced
• 2 teaspoons kosher salt
• 1 teaspoon ground white pepper
• 1/2 teaspoon ground ginger
• 1⁄8 teaspoon ground nutmeg
• 1⁄8 teaspoon ground cloves
• 3 tablespoons brown sugar
• 1 ½ cups heavy cream