Menma is used in many ramen around Japan. They are dried fermented bamboo shoots. Look for unseasoned pre-cooked bamboo shoots. If theyre seasoned, rinse it a few times in water.
20g Dark Soy Sauce (Koi Kuchi Shoyu)
8g Light Soy Sauce (Usu Kuchi Shoyu)
Combine ingredients in a pan
Bring to boil over medium high heat
Remove from heat and let it cool
Store in airtight container. It can be stored in the refrigerator for up to a week.