Gather all the ingredients.
Kuchinashi no mi (dried gardenia pods): This give a sunshine yellow color when simmering sweet potatoes. They are used to naturally color “takuan” radish pickles, noodles, and other foods. If you can find them, crack in half and wrap in a cheese cloth to cook with sweet potatoes.
Recipe by Namiko Chen of Just One Cookbook. All images and content on this site are copyright protected. Please do not use my images without my permission. If you’d like to share this recipe on your site, please re-write the recipe in your own words and link to this post as the original source. Thank you.