Optional: 1 small sweet potato, cut in half lengthwise, then cut into ¼ inch slices* See Note
Optional: 1 c white mushrooms, cut into ¼ inch slices* See Note
Fresh squeezed lime juice
Fresh cilantro leaves
Instructions
Combine stock, coconut milk, galangal, lemongrass, kaffir leaves, salt, and any optional ingredients in a saucepan. Bring to a gentle simmer and cook for about 15 minutes and, if used, until sweet potatoes and mushrooms are tender.
Traditionally, the herbs galangal and lemongrass are not removed when served. Since they are not to be eaten, so you may choose to remove them before serving.
Add lime juice to taste. Add Cilantro leaves just before serving.
Notes
Note: Add as many or few sliced mushrooms and potatoes as you would like, depending on if you prefer thick or thin soup.