How to make lotus root milk soup. Prepare the main ingredients lotus root. The main ingredients are peanuts, jujubes. The first thing you need to do is to get a little bit of salt. The lotus root is washed and cut into small pieces. Peanuts, jujubes, remove the kernel and wash. Then put all of them together into a casserole dish. Add water feed. Boil on high heat and then three hours on low heat. Add the appropriate amount of seasoning. This is a practice of lotus root milk soup.