Stir-fry the broccoli.
Chop the onion with ginger, salt and pepper.
Add 1 tbsp of soy and 1 of sesame oil.
Meanwhile knead for several minutes stretching the dough on a cutting board covered
with starch flour.
Make the small balls and mash forming discs.
Fold the edges and pinch to close the gyoza, forming 5 folds.
Pour the sesame oil in a pan and place them all aligned.