Combine all dressing ingredients in a blender, and starting on low speed blend until smooth and creamy.
When chicken is cooked, let cool slightly and then cut into strips. To assemble the salad, toss the lettuce, cucumber, carrots and half the nori (save some for garnish) in a serving bowl. Add dressing and toss to combine. Top with sliced chicken and remaining nori strips.
*Save extra dressing in an airtight container in the fridge for 1 - 2 weeks or in the freezer for up to 2 months.
**If dressing is too thick, dilute with a little filtered water.