Chinese Lemon Chicken

Crisp-fried chicken breast in a light cornflour batter, tossed at the last second in a bright lemon sauce thickened to a proper takeaway gloss. The coating stays crunchy because the sauce is finished separately and the chicken only meets it seconds before serving. Ready in about 35 minutes and comfortably feeds four with rice.

Takeaway lemon chicken lives or dies on two things: a coating that still shatters when it hits the plate, and a sauce with real lemon sharpness behind the sweetness. Both are easy at home once you know the order of work. Fry twice, keep the sauce thick and glossy in its own pan, and combine at the very last moment.

Ingredients

• 600g chicken breast fillets — sliced into 1cm-thick strips across the grain
• 1 tbsp Shaoxing rice wine — dry sherry works as a supermarket swap
• 1 tbsp light soy sauce
• 1/2 tsp ground white pepper
• 1 egg white — lightly beaten
• 90g cornflour — plus 1 tbsp for the sauce
• 60g plain flour
• 1/2 tsp baking powder
• 1.2 litres flavourless oil — groundnut, sunflower or rapeseed, for frying
• 3 unwaxed lemons — zest of 1, juice of all 3 (about 120ml)
• 250ml chicken stock — or water plus 1/2 a stock cube
• 80g caster sugar
• 1 tbsp rice vinegar — or cider vinegar
• 1 tsp toasted sesame oil
• 2 tsp finely grated fresh ginger
• 2 spring onions — finely sliced, to finish

Method

1. Toss the chicken strips with the Shaoxing wine, light soy, white pepper and a pinch of salt. Leave for 15 minutes while you get everything else ready — this seasons the meat right through, which is why takeaway chicken tastes of something even under batter.
2. Make the sauce base: put the lemon juice, zest, stock, sugar and rice vinegar in a small saucepan with the ginger. Bring to a simmer and stir until the sugar has fully dissolved. Taste — it should be assertively sharp, because the batter will soften it. Set aside off the heat.
3. Whisk the 90g cornflour, plain flour and baking powder together in a wide bowl. Stir the egg white through the marinated chicken, then lift the strips into the flour mixture a few at a time, pressing firmly so a slightly shaggy, uneven coating clings on. Those rough edges are what fry up craggy and crisp.
4. Heat the oil in a deep, heavy pan to 170°C — a pinch of the flour mix should fizz briskly on contact. Fry the chicken in three batches for 3-4 minutes per batch, turning once, until pale gold and firm. Lift onto a wire rack; don't crowd the pan or the coating goes soft.
5. Raise the oil to 190°C and fry each batch a second time for 60-90 seconds, until deep gold and audibly crisp. Drain on the rack again. Cut a thick piece in half to check: the chicken should be white and cooked through with no pink, and piping hot in the middle.
6. Bring the sauce back to a simmer. Mix the remaining 1 tbsp cornflour with 2 tbsp cold water to a smooth slurry, then pour it into the bubbling sauce in a thin stream while stirring. Cook for 30-60 seconds until it turns glossy and thickly coats the back of a spoon. Stir in the sesame oil and take it off the heat.
7. Tip the hot chicken into a warm serving bowl and pour over just enough sauce to coat, tossing quickly — 15 seconds, no more. Serve the rest of the sauce at the table so nobody's portion goes soggy waiting.
8. Scatter with spring onions and a little extra lemon zest, and get it to the table straight away.

Serve it with

• Plain steamed jasmine rice
• Egg fried rice with peas and spring onion
• Stir-fried tenderstem broccoli with garlic
• Quick prawn crackers
• Cucumber salad with rice vinegar and sesame

Why this works

The double fry is the whole trick: the first pass at 170°C cooks the chicken gently and sets the crust, the second at 190°C blasts out the remaining surface moisture so the coating shatters instead of softening. Thickening the sauce with a cornflour slurry rather than reducing it gives that clinging takeaway gloss without turning it into syrup — and because the sauce is made separately, the chicken spends seconds in it, not minutes.

Common swaps

• Chicken thigh fillets instead of breast — juicier, and they forgive an extra minute in the oil.
• No Shaoxing wine? Dry sherry is the closest supermarket stand-in; dry vermouth or just extra stock also work.
• Firm tofu or cauliflower florets take the same batter and double fry for a meat-free version.
• Swap half the lemon juice for orange juice for a mellower, orange-chicken style glaze.

Common mistakes to avoid

• Saucing too early. Coat the chicken at the last possible second — batter sitting in sauce goes limp within a couple of minutes.
• Skipping the second fry. One fry gives you pale, chewy coating; the high-heat second pass is what makes it crunch.
• Overcrowding the pan, which drops the oil temperature and steams the batter instead of frying it. Three batches, always.
• Reducing the sauce to thicken it instead of using a slurry — you end up with a cloying, over-sweet syrup rather than a bright glaze.

Storage, freezing & reheating

Storage: Best eaten immediately. Keep leftover chicken and sauce in separate airtight containers in the fridge for up to 2 days.

Freezing: Freeze the twice-fried, unsauced chicken on a tray, then bag for up to 2 months. The sauce freezes separately for 3 months; loosen with a splash of water when reheating.

Reheating: Never microwave it. Spread the unsauced chicken on a wire rack over a tray and reheat in a hot oven at 200°C for 8-10 minutes (or 6-8 minutes in an air fryer at 200°C) until crisp and piping hot, then warm the sauce in a pan and toss just before serving.

Allergen notes: contains Gluten, Egg, Soya, Sesame, Sulphites. Always check individual product labels.

Estimated nutrition

Per serving, estimated from typical ingredient values — not a substitute for precise dietary calculation.