Cut the chicken into 5cm square pieces, and place into simmering basket and insert into Thermomix bowl. Add water to bowl and cook 13 min/100°C/speed 3. Check that the chicken is cooked. Add a couple of minutes if necessary although the chicken should not be dry.
Drain the bowl of water and place the cooked chicken into the bowl. Add seasoning to taste. Shred 4 sec/Reverse/speed 5.
Serve as you wish.
If you wish to store this, make sure it is completely cold before placing into an airtight container. Keep in the fridge for up to 5 days. Discard if you don't use before then.