AI photoThick Sweetcorn Soup
A creamy, hearty sweetcorn soup finished with mushrooms, sweetcorn and a touch of lemon.
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Ingredients
- 1 pcs Onion finely chopped
- 2 clove Garlic finely chopped
- 1 pcs Carrot finely diced
- 400 g Sweetcorn fresh or frozen kernels
- 300 g Potato finely diced
- 0.5 pcs red chilli finely chopped
- 100 ml white wine
- 1 l vegetable stock
- 100 ml whipping cream
- 1 pcs Lemon finely grated zest and a little juice
- 1 tbsp Olive oil
- Salt to taste
- Black pepper to taste, freshly ground
- 200 g Mushrooms quartered
- 50 g Sweetcorn
- 3 pcs Thyme fresh sprigs
- 1 tbsp Butter to taste
- Salt to taste
- 50 ml Parsley finely chopped
- 0.5 pcs red chilli finely chopped
Steps
Fry the onion, garlic and carrot in the oil until the onion is soft.
Add the sweetcorn, potato and chilli, and stir for a few minutes over medium heat.
Pour in the white wine and let it reduce a little, then add the vegetable stock and bring to the boil.
Cover and simmer the soup for 12–15 minutes, or until the potato is soft.
Remove half the vegetables from the soup and transfer them to a blender along with the whipping cream.
Blend until smooth and creamy, then season with salt and pepper.
Return the blended soup to the pan, stir well, and season again with salt, pepper and a small splash of lemon juice.
Melt the butter in a frying pan, let it sizzle, then fry the mushrooms and sweetcorn.
Season with fresh thyme, salt and pepper.
Serve the soup with the butter-fried mushrooms and sweetcorn, sprinkle with parsley and a little chilli to taste.
What was changed
We added vegetable stock vegetable stock as the soup's base liquid.
This isn't a purée that happens to have sweetcorn in it — it's a soup that splits itself in two and then puts itself back together. Half the pot gets blitzed smooth with cream, half stays whole, and when you stir them together you get body without heaviness: thick enough to coat a spoon, still with texture to bite on. That's the whole trick of the dish, and it's why step 5 matters more than any of the ones either side of it.
What decides whether it works is the potato, not the corn. Corn gives you sweetness and a bit of starch, but potato is what thickens a soup when it breaks down — and it only breaks down if you let it go properly soft, past "cooked" into "falling apart at the edge of a spoon." Pull it too early and your purée stays thin and grainy no matter how long you run the blender. So forget the 12–15 minutes as a deadline; it's a starting point. Fish a piece out, press it against the side of the pan. If it resists, it's not there yet.
The fried corn and mushrooms on top aren't garnish in the throwaway sense — they're the texture the blended half gave up. Butter browning, a sprig of thyme going from stiff to limp and fragrant, mushrooms picking up colour instead of steaming grey: that's a second, faster cooking happening at the end, and it's what stops the whole bowl tasting like one note of sweet and starchy.
Start with the base trio — onion, garlic, carrot — and don't rush it past "soft." Some say you need the onion properly golden here for flavour. No, because this isn't a stew building a dark base; it's a soup base, and if you push the onion to gold you risk catching the garlic, which turns bitter long before it browns nicely. You want translucent, sweet, no crunch left — that's the whole job of this stage, done in a splash of any oil with no smell of its own: sunflower, a mild rapeseed, or your olive oil as long as it's not the thick, peppery extra virgin you'd save for drizzling raw.
The wine is doing something specific, not just flavour: it deglazes whatever's stuck to the pan from the vegetables, and the alcohol needs to actually cook off, not just get added and buried under stock a second later. Give it that minute or two where it bubbles down and the sharp smell softens into something winey rather than boozy. If you've no white wine open, a spoon of cider vinegar or even lemon juice stirred in near the end does a similar acid job, just without the reduction step — add it late instead.
Potato: waxy or floury both work here, because you're going to blend half of it anyway, but a floury one (a Maris Piper, which is what most kitchens in the UK have in the cupboard regardless of the recipe) breaks down faster and gives you a smoother purée with less blending. Dice it small and even — "finely diced" isn't fussiness, it's so every piece hits done at roughly the same moment, instead of you fishing out hard cores from an otherwise soft soup.
Cream: this is for silk, not for flavour — it stops the blended half tasting like wet mash and gives it the slip of a proper soup. If you're avoiding dairy, a splash of the stock itself plus a knob of butter blended in gets you some of that smoothness, though not quite the same coating weight on the tongue. Whipping cream over double cream is deliberate too — you want it to loosen into the soup, not sit on top of it.
The garnish pan is where patience actually gets rewarded and it's the one place a domestic hob has no excuse: it's a small amount of food in a hot, dry-ish pan, nothing to steam it, nothing to hide behind. Let the butter go quiet and nutty before the mushrooms go in, and don't crowd them — a wide pan with mushrooms spread out browns; a crowded pan sweats, and sweated mushrooms go grey and slippery instead of taking any colour. That browning is flavour you can't get back later by seasoning harder.
Four servings, a decent-sized bowl each with a bit over for the cook tasting as they go — which, with a soup like this, isn't optional. You season twice in the method for a reason: once blended, once recombined, because the two halves don't taste quite the same until they're stirred together, and salt in a purée reads differently than salt in a brothy liquid. Taste at both points, not just the end.