Everywhere has a different way of making tea eggs, but the ingredients are inseparable from the ingredients such as tea leaves, spices and star anise.
The exact amount is 12-15 eggs, 2 black tea bags, 1 cinnamon stick, 2 bay leaves (allspice), 2 star anise, 4 cloves, 2 tbsp of soy sauce, 1 tsp of salt, and 2 tbsp of brown sugar.