Peel & chop the onion and garlic.
Heat the oil in a pan, add the onion & garlic and cook at a low temperature until translucent.
Meanwhile, cut the pumpkin in half, scrape the seeds out, cut off the rind with a knife and dice the flesh.
De-seed the peppers and roughly chop the flesh.
When the onion is soft, add the pumpkin, pepper pieces and the tomato purée. Stir well then sweat under a lid for 10 minutes.
Pour in the vegetable broth, bring to the boil, then simmer on a low heat for 25 minutes.
Blend until smooth and silky