1. In a bowl, add all the ingredient A and knead until well combined and sticky. Set aside.
2. Gently pat the lotus root dry with a paper towel. On a slice of lotus root, place about 2 tbsp filling from #1 and spread. Cover with another slice of lotus root on top and press down to make a sandwich.
3. In a small cooking pot, add the sauce ingredient and bring it to boil. Simmer for a few minutes until the sauce is slightly thickened. Set aside.
4. Coat the lotus roots 'sandwich' with katakuriko thinly. When all are ready, add a generous amount of oil to a skillet on medium-low heat and place the sandwiches gently on it. Cook one side until browned and flip to the other side. Cover and simmer for about 5 mins or cook until meat is cooked through.