2. Marinate with ginger, onion, cooking wine and salt _ chicken powder 1 hour. Melt the butter in a pressure cooker over low heat and stir-fry the onion. Add garlic, ginger slices, onion segments into the onion segments, and finally add the marinated chicken legs. The pressure cooker can be turned off in 20 minutes after the gas is exhausted, and can be boiled and enjoyed after the gas is completely exhausted.