Whole roast spiced cauliflower in the airfryer

1 whole cauliflower

40g butter

30ml extra virgin olive oil

1 tsp turmeric powder

1 tsp ground cumin

½ tsp chilli powder

1 tsp flaky sea salt 

200g Greek yoghurt

½ tsp flaky sea salt

Juice of a lime

1 nugget stem ginger

To serve:

Some roasted flaked almonds

Chopped flat leaf parsley