To make the dressing, combine all of the dressing ingredients in a small bowl and whisk vigorously to combine.
In a large salad bowl, combine cabbage, carrot, green onions and radishes. Toss with dressing. Top with sesame seeds and peanuts. Serve immediately or chill before serving. This salad is best the day it's prepared although it's just fine the next day if covered and refrigerated.
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