How to make five-spice braised pork authentic?

Authentic five-spice braised pork recipe Ingredients required for authentic braised pork: 450 grams of pork (front butt tip), 2 pieces of ginger, 2 bay leaves, 1 spoon of dark soy sauce, 20 peppercorns, appropriate amount of young fennel, 2 star anise, 1 cinnamon

slices, 1 spoon of cooking wine, 1.5 spoons of salt, 2.5 spoons of sugar, 1 spoon of chicken essence.