Makes 16 eggs
Wash the eggs thoroughly.
Boil water in a pot.
Add the eggs to the pot and boil for 8-10 minutes to make soft or hard-boiled eggs.
Cool the boiled eggs in cold water and peel the shells.
Mix soy sauce, water, sugar, cooking wine, garlic, spicy chili pepper, and onion to make the marinade.
Place the peeled eggs in an airtight container and pour the marinade over them.
Let it marinate in the refrigerator for at least 6 hours.