Sauce
Light Soy Sauce      5 tbsp
Yellow Wine       2 tbsp
Sesame Oil     1/2 tbsp 

    
Steps
1)   Remove all hair from hog hoof and boil in hot water for 5 minutes
2)   Cut hog hoof into small cube ( 2"x2" ) , chop spring onion into short stalks
3)   Marinate hog hoof with ginger, spring onion, and sauce for 2 hours
4)   Parboil the hog hoof in hot oil for 1 minute, pour out the oil
5)   Add 500ml of water and the marinate sauce, cook for 1 hour in low heat 
6)   Add crystal sugar and keep boiling for 1 hour in low heat
7)   When sauce is boiled almost dry, dish up and serve 

Remark 
tbsp -     table spoon
Cooking time approx. 2 hour, and add few water during the cooking to avoid dry
Stir gently during the cooking period to avoid overcooked 
Sometimes you can consider to add some large shell-off peanuts, nice...