St Joseph's Beignets: Traditional Fried Choux Beignets

Milk and water together build the base liquid for the custard and the dough separately, and worth keeping track of which is which: 500ml milk goes into the custard for richness and that faint sweetness milk alone gives over water; 250ml water goes into the choux base because water produces more steam, pound for pound, than milk does — and steam is the entire raising mechanism of the dough. Butter in the choux base isn't flavour so much as it's fat coating the starch granules so they don't glue together into a tight, un-stretchy mass — that's part of what lets the dough expand without splitting.

Flour appears twice and does two different things. The 250g in the choux is the structure — cooked first into a thick paste (a panade) so the starch swells and partly gelatinises before any egg goes near it; add raw flour straight to egg and you'd get something closer to batter, no strength to hold steam at all. The 30g flour in the custard, alongside the 20g cornflour, is pure thickening power — cornflour sets a cleaner, glossier custard because it has almost no protein to cloud it, flour alone gives body and a slightly more forgiving set that won't go rubbery if you overcook it a touch. Using both is a hedge — not essential, but it buys you margin if your heat control on a domestic hob is a bit coarse, which, on an induction ring with no visual flame, it often is.

Eggs and yolks split for a reason too: whole eggs (6) go into the choux because you need both the protein (structure, as it sets in the heat) and the water content (steam) they carry; yolks alone (6, into the custard) because yolks are where the fat and the emulsifying lecithin sit — whites would only thin the custard and risk making it grainy when it meets hot milk. If you're short an egg or your eggs run small, judge the dough by feel, not the recipe's count: beat it until it falls off the spoon in a slow, reluctant ribbon — a shape like a "V" — rather than counting eggs religiously. That's the real test, because egg size varies more than any recipe accounts for.

Lemon here is zest only, steeped whole in the hot milk and strained out — it's perfume, not acid; the point is oil from the zest flavouring fat (milk) without the custard splitting, which a squeeze of juice could risk given eggs are about to meet heat. Vanilla extract is doing similar work, rounding the custard rather than announcing itself. If you've no lemon, an orange zest does the same oil-into-milk job, just a different register — don't reach for juice or bottled flavouring as a straight swap, it won't carry the same way through dairy.

Oil for frying needs no flavour of its own — anything neutral and stable at 170°C works: sunflower, groundnut, a flavourless vegetable blend. Olive oil would fight the custard's lemon and burns at a lower point than you want here, so leave it for the roast. On the question of 170°C without a thermometer: a cube of bread or a small offcut of dough dropped in should sizzle steadily and colour in under a minute — too fast and dark, your oil's too hot and the beignets will char outside while staying raw within; too slow and pale, they'll drink oil and turn heavy and greasy rather than puffing light.

Some say you can skip chilling the custard and pipe it warm straight into the beignets. No — warm custard is loose, it won't hold shape inside a hollow shell, and it'll weep out through the holes you make to fill them, leaving you with a soggy outside and an empty middle. The chill is what turns a sauce into something that pipes like a filling and stays put. This whole dish rewards exactly that kind of patience — custard made and rested well before the dough goes anywhere near oil, dough beaten properly rather than rushed, beignets fried in batches rather than crowded. Crowd the oil and the temperature drops the moment you add dough, and you're back to heavy, oil-logged beignets no amount of icing sugar will disguise.