Season pork with ginger juice, soy
sauce, black pepper, sugar and kimchi brine for 30 minutes.
Place seasoned pork with sour kimchi in a pot. Pour in water and
bring to the boil. Reduce heat and add bean curd. Simmer
for 20 minutes. Garnish with leek slices and serve hot.
Note:
Kimchi comes soaked in
brine. Drain the brine for use in recipes such as this one.