Cooking Steps

1. 

   Step1:Roast beef bones - preheat in oven. Bake for half an hour at 190 degree

2. 

   Step2:Half an onion and a carrot cut into pieces and put them in the pot for later us

3. 

   Step3:Put the roasted beef bones together with the oil in the baking tray into the pot. Add water. Start the pot over high heat. Turn down the heat and cook for 2 hours

4. 

   Step4:Lotus root. Cut yam into pieces and put them into the pot. Turn on the high heat and turn on the low heat to boil for an hour

5. 

   Step5:Salt out of the po