1, ox bone pressure cooker for about half an hour.

2. Before the beef ribs are cooked in the pressure cooker, they need to be put into cold water, washed with cold water, and cleaned of blood and impurities, so as to be cooked. Before stewing beef ribs in a pressure cooker, you should understand the principle of use. During use, be sure to carefully check whether the exhaust hole is unblocked and whether the hole under the valve seat of the safety valve is blocked by residual rice grains or other food residues.