Rinse the quinoa under cold running water to remove its bitter flavour. Tip into a pan and add double the amount of salted water. Place over a medium heat, cover and bring to boil
Reduce to a simmer for 10 to 15 minutes, or until tender and the liquid is absorbed and the quinoa is fluffy.
Put peas and flesh from the avocado in a food processor. Add the milk and pulse until smooth.