Place the ingredients for the tentsuyu (dipping sauce) in a pan and heat. Once boiled, remove from the heat.
Peel and devein the prawns, leaving their tails on, then make a few small cuts to their under side.
Remove the stem of the peppers and make a few holes using a bamboo skewer. Cut the carrot into 2 mm thick 3 cm x 4 cm strips. Cut the baby corn, asparagus and aubergine into bite-size pieces. Remove the stalks from the mushrooms. Cut crosses into the tops of the mushrooms and the skin of the aubergine.
Mix the egg yolk with 400ml of cold water, then add the flour’ and fold using a cutting motion. Heat the oil to 170°C in a pan.
Put the prawns and vegetables in some flour, dip into (4) then fry until crisp. Arrange on a plate with the grated daikon, ginger and a dish of the tentsuyu from (1).