Quarter Napa cabbage lengthwise. Remove the core and cut crosswise into 1 inch pieces.
Soak cabbage pieces in a large bowl with cold water. Sprinkle salt evenly over cabbage. Cover and leave 2 hours.
Drain and rinse cabbage under running water twice. Leave to continue draining in colander for 30 minutes.
In a small pot, combine glutinous rice flour with ¾ cup (180ml) water. Bring to a boil and keep stirring as the water heats up and the mixture thickens. When it reaches pancake batter consistency, turn off heat. Set aside to cool.
Sauce
Rinse and soak dried shrimp in boiling water for 15 minutes. Drain.
Blend together prepared dried shrimp, onion, garlic, and ginger into a paste. Pour blended ingredients into a large bowl.
Add cooled glutinous/sweet rice flour paste, fish sauce, salt,
sugar, and Korean red pepper flakes. Mix into a thick sauce.
Add radish, carrots, scallions, and Chinese chives**. Mix until well coated with sauce.
Add prepared Napa cabbage and continue mixing until all vegetables and sauce are well mixed.
Transfer kimchi into air tight jars.
Leave jars out at room temperature for 24 hours. Then transfer jars to the refrigerator and consume within a month.
Notes
** I used homegrown baby leeks instead.*** I did use 1 cup (100g) of Korean red pepper flakes.