Courgette Soup

Courgette (zucchini, if that's the word you grew up with) is the ingredient here, but don't expect it to do much on its own — buy it firm, no soft spots, skin glossy not wrinkled, because once it goes soft it's mostly lost what little structure it had and will just collapse into grey mush rather than blend into a clean green. Any size works, you're cubing it small regardless. If you can't get courgette, marrow works at a push, though it's wetter still and you may want less stock.

Stock matters more than people think for a vegetable this watery — it's doing the flavour job the courgette can't, so use a proper stock, homemade or a good bought one, not a cube dissolved in a hurry. Water alone and you've just made expensive water. Double cream at the end isn't for richness as decoration — it's there because a lot of what reads as "flavour" to you is actually fat carrying aroma across your palate, and a lean soup tastes thinner even at the same seasoning. If you're avoiding dairy, a splash of oat cream or even a good olive oil whisked in will do something similar, though you lose some of the silkiness.

Paprika — ordinary, not smoked, in the soup itself — is there for a faint background warmth and colour, not heat. Save the smoked paprika for the almonds, where it actually gets noticed; put smoked paprika in the soup instead and it'll just muddy the fresher basil note you're trying to keep clean.

The almonds: roasted wet with water, salt and paprika spread thin on a tray, so the water evaporates slowly and leaves the spice and salt stuck to the nut rather than falling off as dust — this is just the same principle as salting roast potatoes in their own moisture rather than shaking salt on after, it sticks instead of sitting on top. 150°C for about a quarter of an hour is a gentle enough oven that the almonds dry out and crisp rather than scorch — almonds go from pale to burnt fast once the water's gone, so the real cue is the tray: when it looks dry and the nuts sound different if you nudge them, not when a clock says so. Any nut with a decent crunch and a mild flavour will substitute — cashews, hazelnuts — just avoid anything with a strong taste of its own that fights the smoke.

Basil, split in two uses, is worth dwelling on. Cooked into the soup it gives background depth, but boiling kills its brightness — basil's aroma lives in oils that don't survive heat well, which is the real reason you add fresh basil at the end in Italian cooking generally, not tradition for tradition's sake. So half goes in raw, blitzed cold with oil, to keep that top note alive on the plate. If basil's out of season or you can't get a bunch that smells of anything, parsley with a squeeze of lemon zest is a reasonable stand-in for the oil, though you lose the particular basil sweetness.

A word on patience, because there isn't much asked of you here but what there is matters: let the onion actually go soft and sweet before the courgette goes in, don't rush it in under a minute of frying — unsoftened onion stays sharp and raw-tasting right through to the bowl, no amount of simmering afterwards fully fixes it. And an ordinary hob works fine for all of this; there's no need for anything but a decent wide pan and a blender or stick blender at the end — nothing in this recipe asks for a kazan or specialist kit, it's a Sunday-afternoon soup for four, something to have on while something else roasts.