One of the tricks of cooking with tomatoes is to remove all the seeds and liquid, use only the peeled flesh.

Australians treat pumpkin as a vegetable, Americans seem to treat it as a fruit - Aussie pumpkin pies are savoury, US ones seem to be too sweet for Aussie taste. Aussie pumpkin soups are savoury, not sweet, but there is a natural sweetness. Maybe it has to do with the varieties grown.