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Chicken & Radish Udon Stir-Fry with Chimac Caramel Sriracha Sauce

A bold, flavour-packed stir-fry with juicy chicken, crisp radishes, and chewy udon in a glossy caramel Sriracha sauce. Ready in under 30 minutes.

Ingredients

For the stir-fry

  • 400 g skinless chicken thighs Cut into bite-sized strips
  • 2 tbsp  Neutral oil (sunflower or groundnut)
  • 300 g Udon noodles (vacuum-packed fresh or cooked)
  • 1 1 small bunch radishes Sliced into thin rounds (leaves reserved if fresh)
  • 2 Spring onions Finely sliced
  • 1 Thumb-sized piece of ginger peeled and finely grated
  • 2 cloves garlic finely chopped
  • 1 tbsp light soy sauce
  • A small handful fresh coriander leaves

For the Chimac Caramel Sriracha sauce:

  • 2 tbsp light brown sugar
  • 1 tbsp honey
  • 1 tbsp dark soy sauce
  • 2 tbsp Sriracha (or to taste)
  • 1 tbsp rice vinegar
  • 1 tbsp 1 tbsp gochujang (optional, for depth)
  • 1 tbsp toasted sesame oil

Method

Make the sauce

  • In a small pan over medium heat, melt the sugar with 1 tablespoon of water until it begins to bubble and caramelise lightly (about 2-3 minutes).
  • Add the honey, soy, Sriracha, rice vinegar, and gochujang if using.
  • Stir gently and let it thicken slightly (another 1-2 minutes)
  • Finish with the sesame oil.
  • Set aside

Cook the chicken

  • Heat the oil in a wide wok or large frying pan over high heat.
  • Add the chicken and let it take on colour without moving it too much at first.
  • After 3-4 minutes, turn and cook through, about 6-8 minutes in total.
  • Remove to a warm plate.

Stir-fry the vegetables

  • In the same pan, add a little more oil if needed.
  • Stir in the ginger and garlic, letting them sizzle for 30 seconds.
  • Add the radishes and most of the spring onion.
  • Stir-fry briefly, and the radishes should stay crispy-tender

Combine

  • Return the chicken to the pan.
  • Add the noodles, breaking them up gently with tongs or chopsticks.
  • Pour the caramel Sriracha sauce over the mixture and toss everything together until glossy and hot through (about 2 minutes).

Finish and serve

  • Scatter with coriander, reserved radish leaves (if fresh and tender), and the remaining spring onion.
  • Serve immediately, letting the noodles glisten in the spicy-sweet sauce.
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