Blend 200 ml of water with chopped white radish over high speed until well blended.
Sieve the mixture out and extract as much juice out of the pulp as possible. Weigh 200 g of the juice and set it aside.
Lightly toast the dried shrimps on a dry pan until they are fragrant.
Add all types of the flour and starches, dry ingredients and the radish juice and mix well in a double boiler.
Bring the remaining 300 ml of water to boil and pour it into the content in the double boiler, stir well and cook it until it lightly thickens.
Transfer the mix to the prepared mould and steam the tray for an hour.
Once done, leave it out at room temperature to cool for at least an hour before cutting them into 1.5 cm cubes to be fried.