If you add the starch, dissolve it first in water and then add it to the eggs to avoid lumps;
If you don't have Mirin you can add 1 Tbs of water and 1 tsp of sugar;
If you are using granular broth, dissolve it in water before adding it to the eggs;
The nutrition information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for the advice of a professional nutritionist.