My friend lastly proudly shown her homemade peanut soup, which claimed to be delicious:
It is made of the following ingredients:
花生 Peanut
红枣 Red Date
莲藕 Lotus
贻贝干 Dried Mussel
排骨 Pork Rib
According to her, adding dried mussel greatly improve the taste of the soup. You may try it out one day. Any question kindly drop a comment here. Thanks.