Crush the lemongrass finely
Then, with black pepper and garlic, we just need to crush it lightly.
Now, add soy sauce, light soy sauce, sugar and mix everything very well.
With your hand, take a chicken piece and give it a massage in a bowl of mixed ingredients above. Do the same thing with the rest.
Leave it in the refrigerator for 3 hours or one night if you are not in a hurry.