1 boiled sweet potato + 1/4 block of tofu + a handful of nuts + a drizzle of cold-pressed olive oil or perilla oil
Cut the sweet potato and tofu into cubes.
Pour water into a pot and bring the sweet potato to a boil.
When the sweet potato softens, add the tofu and cook a bit longer.
Season with salt and pepper.
Blend everything until smooth to make a soup.