On top of all the goodness, it's easy to make, especially if you have a hand-held blender. The cooking time is an hour and a half but the actual prep time is at most 20 minutes. Like all good researchers, I used a mix of sources but I would say the basic recipe I used was from taste.com taking great liberty with it. The soup is so creamy there is no need to add cream or any added starch. It's a very healthy soup.
This is also a great time of year to make it because pumpkin is cheap after Halloween. You'll need about 5 pounds or 3 large pieces (it's okay if you use less, it will just be a little more watery). Pumpkin with deep orange flesh tends to be sweeter. Rub olive oil, rosemary and black pepper on the pumpkin flesh and place skin side up on a roasting pan. Roast at 350 degrees for about an hour. When it is ready, sauté two chopped onions and several cloves of garlic in olive oil in a heavy pot until soft. Add 8 cups of vegetable or chicken stock, 1 tbsp of ground coriander, dash of chilli and simmer for about 20 minutes with the de-skinned roasted pumpkin cut up into large chunks. Set it aside to cool for about half an hour. Put your blender into the soup and blend the pumpkin pieces right in the pot. It only takes a couple of minutes and it's done.
Serve with parsley or a dob of yogurt in the centre. Great for a first course at a winter dinner. It tastes best when piping hot. I once served it at a dinner when it had not been heated through and through, and I regret it with every spoonful that I tasted. It lost much of its "bang" when it's lukewarm.
Just aim the blender straight down at the chunks and it won't splatter.
If you don't have a hand-blender, go and get one. I wish I hadn't waited 10 years to get mine. It is SO handy - you won't regret it.