African Sweet Potato and Peanut Soup

INGREDIENTS

• 1 tablespoon vegetable oil
• 1 large onion, chopped
• 2 cloves garlic, minced
• 2 teaspoons minced fresh ginger root
• 1 1/2 teaspoons ground cumin
• 1 1/2 teaspoons ground coriander
• 1/2 teaspoon ground cinnamon
• 1 pinch ground cloves
• 3 medium tomatoes, chopped
• 1 1/2 pounds sweet potatoes, peeled and chopped
• 1 carrot, peeled and chopped
• 4 1/2 cups water
• 1 teaspoon salt
• 1/4 cup chopped, unsalted dry-roasted peanuts
• 1 pinch cayenne pepper
• 2 tablespoons creamy peanut butter
• 1 bunch chopped fresh cilantro