Arrange the seafood and vegetables on a platter at the table, and set out the sauces and pickled ginger in small bowls.

To make the batter: In a medium bowl, stir together the flour, salt, and baking soda. In a separate medium bowl, whisk the egg yolks together with the ice water. Then whisk the egg mixture into the flour mixture. Set the bowl of batter on the table with the seafood and vegetables, Provide each diner with a pair of heat-proof chopsticks.

Fill a metal fondue pot one-third full with oil and heat the oil to 375°F, or until a cube of bread browns in 30 seconds. Diners dip a piece of seafood or vegetable into the batter, then drop it gently into the hot oil. When the batter is creamy or pale beige—not golden brown—it is ready Have diners dab the fried food onto a paper towel to drain off the excess oil, then dip it into the sauces. Accompany with pickled ginger.