Mix the courgette and all other ingredients up to and including half of the orange zest in the prepared tin. Pour over the stock and the single cream.
Approx. 30 mins. in the centre of an oven preheated to 200°C, remove.
Separate the quinoa with a fork. Mix the ham with all the remaining ingredients, including the rest of the orange zest, and arrange on top.
Return to the oven for approx. 15 mins.