Potato leek soup is a comforting and creamy soup that can be made in a short amount of time. Sauté leeks in butter until they are soft and fragrant. Add in diced potatoes, vegetable broth, and simmer until the potatoes are tender. Then, blend the mixture until smooth, stir in a touch of cream, and season with salt, pepper, and herbs like thyme or chives. This soup is perfect for chilly days and can be served as a starter or a main course.