This recipe makes twice as much dressing as you will need for the coleslaw. Keep the extra on hand for tossing with rice noodle salads, serving as a dip for crudités or spooning over broiled or sautéed fish.
In a food processor, combine the rice vinegar, miso, mayonnaise, lemon juice, ginger and sugar and process until completely smooth. With the machine on, add the grapeseed oil in a slow and steady stream. Season the dressing with salt and pepper. Pour 1/2 cup of the dressing into a large bowl and refrigerate the rest for another use.
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