I do a mean susiefied veg soup. I actually don't eat veg so I doctor things with curry paste/powder or lots of pepper and just blend it until its all thick and mushy. I love it, it reminds me of a "proper" soup. Thick and creamy but with no spuds no cream etc.
This is what I usually do
Fry 3 large onions in tiny bit oil.
Boil a swede and mash it up.
Chop loads of carrots (yeah no griping, didn't say it was precise did I?) prob about a £1 size bag give or take
Couple of skinny parsnips (they make it too sweet if u use too many)
Couple of Tesco value chicken stock things, not oxos too strong.
Boil all the carrots and parsnips up with the onions in the stock add as much swede as you like , keep tasting and add black and white pepper (I like the 2) and salt to taste.
If you want the curry version just add paste or powder to onions as they fry.
Blend it all when cool, still check for seasoning.
I leave it really thick as it saves space for freezing and water it down a little when reheating. Even the kids enjoy this, ok they are 25/33 but you know what I mean. have a go, mine never tastes the same twice, surprising really when you think of how clear my recipe is lol.
If I am feeling a little extravagant with my pp you can sprinkle some nimble with lf mozzarella whack it under the grill and either dip it in the soup or use as croutons. 'Ark at me.....croutons eh?