Place all dressing ingredients except avocado into Thermomix bowl and mix for 10 sec/speed 6.
Taste and add more citrus juice if required.
Taste and blend, taste and blend until happy with result.
Pour over chopped avocado and refrigerate up to 2 hours.
Put oil in fry pan and sear chicken breasts briefly on a medium high heat.
Place chicken into paper lined Varoma dish.
Place 500g of water into Thermomix bowl and set Varoma into position. Steam for 20-25 min/Varoma/speed 3 until breasts are cooked through. Cool and slice chicken.
Gently toss remaining salad ingredients.
Place sliced chicken on top of salad and pour dressing over.