Pumpkin Cupcakes

Pumpkin: 200 g sounds small against 250 g of flour, and that's deliberate — this isn't a pumpkin loaf, it's a cake that happens to have pumpkin in it for moisture and colour. Choose a dense, dry-fleshed variety if you can tell them apart in the shop — the ones sold for roasting, not the huge watery carving pumpkins that are mostly for show. If pumpkin's out of season or you can't be bothered peeling one, tinned pumpkin puree does the same job, already reduced for you — just don't use pie filling, that's pre-sweetened and spiced and will throw the sugar off.

Caster sugar over granulated for one plain reason: smaller crystals dissolve into the wet mix without sitting gritty, and in a batter this light you don't want sugar fighting the egg for moisture before it even reaches the oven.

Olive oil, not butter — oil-based sponges stay moist for days because oil is liquid at room temperature and butter isn't; a butter version firms up and dries slightly by day two, an oil one doesn't. Use any oil with no smell of its own — a light, not an extra-virgin olive oil, or a neutral vegetable or sunflower oil if that's what's in the cupboard. Save the peppery extra-virgin for a salad, not a cake, or you'll taste it under the pumpkin.

Baking powder and bicarbonate of soda both appear, and that's not a mistake to fix by picking one. Bicarb needs something acidic to react against — and there's enough natural acidity in the pumpkin and the buttermilk-adjacent tang of the batter to wake it up for lift and a slightly darker crumb; baking powder is self-contained and does the rest of the rising on its own. Drop one and the cupcakes come out flatter and paler — not wrong, just smaller than they should be.

Cream cheese: buy a block type meant for cooking, not the already-soft tub spread sold for toast — that one has more water worked into it and your frosting will slump rather than hold a swirl. Let it sit out until it's properly room temperature before beating; cold cream cheese beaten too hard turns lumpy, not smooth, because the fat hasn't softened enough to take in air evenly. That's patience as an ingredient — the fifteen minutes it sits on the counter saves you a frosting you have to fix.

Double cream whips because of its fat content — nothing under about 35% fat will hold a stable peak, so don't reach for single cream or the "lighter" pouring cream thinking it'll do the same job; it won't thicken past soup. Whip it to soft peaks, not stiff — stiff cream folded into cream cheese breaks down and weeps liquid under its own weight by the time you've piped the last cupcake.

On the roasting itself: some say pumpkin has to be steamed or boiled to go soft faster — no, because boiling adds water back in exactly where roasting is trying to take it out. You're after a knife going in with no resistance and the edges just starting to colour, not a precise number of minutes — ovens and slice thickness vary too much for a clock to be honest with you.

Dark chocolate is entirely optional and entirely yours to decide — chopped with a knife rather than using chips, because knife-cut pieces melt into uneven little pockets through the crumb instead of sitting as uniform dots; that unevenness is the texture you actually want here.