Remove seeds from chili pepper, cut everything into small pieces.
Place all ingredients (except starch) in a pot, boil for a short time and let it simmer for approx. 10 minutes.
Then mix everything and if necessary bind lightly with starch (dissolve in cold water beforehand).
Fill your Gyoza, form then and place them on the cloths in the bamboo baskets. Steam your Gyoza for about 10 minutes. You can simply freeze the rest of your Gyoza. They don't have to be steamed beforehand. (If you don't know exactly how the bamboo steamer works, check out the "How does a bamboo steamer work?" section).