This Thai sweet potato soup is a comforting and flavorful dish that combines the sweetness of sweet potatoes with the aromatic flavors of Thai cuisine. The soup is creamy and rich, with a hint of spiciness from red curry paste. It is topped with a vibrant coriander pesto that adds a fresh and herbaceous note to the dish. This soup is perfect for a cozy night in or as a starter for a Thai-inspired meal.