Chinese food- braised pork

1)  cut pork into small pieces,cut onion into small pieces and slice ginger. 

2) put pork into pot，do not add oil.  add some water, and put some onion piece and ginger in the water, then cook it in a soft-fire until fat part oil spill over and then put the pork in a bowl.

3)put oil into the pot and using soft-fire, add onion pieces to the oil. Then put these pork into the pot and cook it until it turn to yellow. Add dark soya sauce and continue cook it.

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4) after the pork become black and red colour, add onion ,ginger , sugar and boiling water over the material surface. Change to the strong-fire.

5) after all soup boiling, change fire into soft. Cook another 40 minutes( and finally add some salt and sugar, change into a strong-fire and cook it until there become little soup in it.