Air Fryer Thai Sweet Chili Chicken

Thai sweet chilli chicken is a glossy, sticky chicken dish with the familiar mix of sweetness, gentle heat, citrus and savoury depth that makes sweet chilli sauce so useful for quick dinners. In this air fryer version, bite-size chicken thigh pieces are coated in cornflour so they cook crisp at the edges before being tossed with lime, fish sauce and garlic for a sharper, more rounded finish. Spring onion and sesame seeds add freshness and crunch. It is quick enough for a weeknight, but still feels lively served with rice, noodles or a simple salad.
Cuisine style Thai-inspired weeknight cooking
Spice level Mild
Cooking style Minimal cleanup
Time commitment Under 1 hour

Why this recipe works

  • Crisp before saucing: Cornflour helps the chicken develop golden, lightly crisp edges in the air fryer before it meets the glaze.
  • Sweetness in check: Lime juice and fish sauce cut through the sweet chilli sauce, giving the glaze a brighter, more savoury finish.
  • Fast weeknight method: Small pieces of boneless chicken cook quickly, while the sauce comes together in a bowl as the air fryer does the main work.

Get the most out of this recipe

Texture tips

  • Sauce just before serving: Toss the chicken with the glaze at the end so the coating stays as crisp as possible.
  • Use a single layer: Give the chicken space in the air fryer basket; crowded pieces steam rather than crisp.
  • Choose thighs for juiciness: Boneless thighs are more forgiving than breast and stay tender through the high-heat air-frying step.

Common mistakes

  • Overfilling the basket: Cook in batches if needed; the chicken needs airflow to brown properly.
  • Overheating the glaze: Keep the pan on low heat when adding the sauce, as sweet chilli sauce can catch quickly and taste bitter.
  • Overcooking chicken breast: If using breast instead of thighs, reduce the cooking time slightly and check early for doneness.

Ingredient notes

  • Chicken thighs work best: Thigh meat has enough fat to stay juicy while still browning well in the air fryer.
  • Adjust the lime: Add lime to taste if the sauce feels too sweet or needs a fresher finish.
  • Season carefully: Fish sauce is salty, so taste the glaze before adding any extra sea salt.

Make-ahead tips

  • Prep the sauce early: The garlic, lime, fish sauce and sweet chilli sauce can be mixed ahead and kept chilled until cooking.
  • Reheat for the best texture: Reheat leftovers in the air fryer at 190°C (375°F) until piping hot; the microwave will soften the coating.

Equipment you'll need

Ingredients
Instructions
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  1. Cut the chicken thighs into bite-size pieces and pat dry. Toss with the cornflour and a pinch of fine sea salt (if using) until evenly coated.
  2. Preheat the air fryer to 200°C (390°F). Drizzle the chicken with the vegetable oil, then air fry for 14 to 16 minutes, shaking the basket halfway, until deeply golden and cooked through.
  3. While the chicken cooks, finely grate the garlic and slice the spring onion. In a mixing bowl, whisk together the sweet chilli sauce, lime juice and fish sauce.
  4. Tip the hot chicken into a large frying pan over low heat and pour in the sauce. Toss for 1 to 2 minutes until sticky and clinging, then scatter over the spring onion and sesame seeds and serve straight away.

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Recipe notes

Tips

  • For the crispest finish, keep the chicken in a single layer in the air fryer and cook in batches if needed.
  • Warm the sauce gently when tossing; high heat can make sweet chilli sauce catch and turn bitter.
  • If serving to anyone pregnant, elderly, or immunocompromised, ensure the chicken is piping hot and cooked through with no pink remaining.

Substitutions

  • Replace Chicken thighs with Chicken breast for a leaner result; reduce the air-frying time by 2 to 3 minutes and keep an eye on browning.
  • Replace Sesame seeds with Roasted peanuts for a nuttier crunch.

Storage

  • Refrigerate up to 3 days
  • Cool, then refrigerate in a sealed container. Reheat in the air fryer at 190°C (375°F) for 6 to 8 minutes until piping hot; the coating will be crispest if reheated in the air fryer rather than the microwave.

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Recipe overview

  • Servings: 3 servings
  • Total time: 35min (15min active)
  • Difficulty: Easy
  • Cuisine: Thai
  • Allergens:
    Sesame
Beginner friendly Freezer friendly Kid friendly

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Equipment you'll need

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