Slice the pumpkin in half and place face down in an oven tray before adding the water. Cover with foil and place in the wood-fired oven for 40–60 minutes until soft. Alternatively, roast in a 180°C oven until the same result is achieved. Remove from the oven and scoop the flesh from the skin, removing the seeds.
Place the pumpkin flesh in a Thermomix jug and blend until completely smoot