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Japanese-Style Fried Chicken Thighs (Gluten-Free Karaage) Recipe

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4.3 from 12 reviews

This Japanese-Style Fried Chicken Thighs (Gluten-Free Karaage) recipe delivers crispy, juicy chicken marinated in a flavorful blend of buttermilk, ginger, garlic, and gluten-free soy sauce. Double-coated in potato starch and deep-fried to perfection, these chicken thighs are a delicious gluten-free twist on a classic Japanese favorite.

Ingredients

Marinade

  • 1/2 cup (120g) buttermilk
  • 2-inch piece fresh ginger, peeled and thinly sliced
  • 2 garlic cloves, thinly sliced
  • 3 scallions, white and green parts, thinly sliced
  • 2 tablespoons (33g) gluten-free soy sauce
  • 1 tablespoon (14g) Asian sesame oil
  • 1 tablespoon (13g) light brown sugar
  • 1/4 teaspoon (1.5g) fine sea salt

Chicken

  • 6 medium chicken thighs (about 2 1/4 pounds or 1kg)

Coating and Frying

  • 3 cups (552g) potato starch
  • Rice bran oil or peanut oil for deep-frying

Instructions

  1. Prepare the Marinade: In a medium bowl, whisk together buttermilk, ginger, garlic, scallions, gluten-free soy sauce, sesame oil, brown sugar, and sea salt until smooth and well combined.
  2. Butterfly the Chicken Thighs: Lay one chicken thigh skin side down on a cutting board with the bone vertical. Using a sharp paring knife, cut down to the bone, then slide the knife horizontally to butterfly the meat without cutting through. Open the flap and lightly score in a crosshatch pattern on both sides, being careful not to cut through the meat. Repeat with all six thighs.
  3. Marinate the Chicken: Add the butterfly-cut thighs to the marinade, mixing thoroughly to coat each piece. Transfer the chicken and marinade to a large zipper-lock bag, press out the air, seal, and refrigerate for 12 to 24 hours, turning the bag occasionally to distribute the marinade evenly.
  4. Preheat Oven and Prepare Coating: Preheat oven to 200°F (95°C). Line a baking sheet with parchment paper and set a wire rack on another baking sheet. Place the potato starch in a large bowl for dredging.
  5. Coat the Chicken: Remove one thigh from marinade, brushing off excess garlic, ginger, and scallions. Roll it in potato starch until thoroughly coated, then place on the parchment-lined baking sheet. Repeat with remaining thighs. Then dredge each thigh a second time in potato starch and return to the baking sheet.
  6. Heat the Oil: In a large cast iron skillet or heavy-bottomed pan, pour 1 1/2 inches of rice bran or peanut oil and heat over medium-high heat until it reaches 375°F (190°C).
  7. Fry the Chicken: Fry 2 or 3 chicken thighs at a time, carefully avoiding crowding the pan. Cook for about 8 minutes on one side until golden brown, then flip and fry another 8 minutes until deep golden brown and cooked through.
  8. Keep Warm: Transfer fried chicken to the wire rack set over the baking sheet and place in the preheated oven to keep warm and crisp. Repeat with remaining thighs. If not serving immediately, turn off the oven and prop the door open slightly to maintain warmth without steaming the chicken.
  9. Serve: Arrange the fried chicken on a platter and serve family style with your favorite sides or accompaniments.

Notes

  • Marinating the chicken for 12 to 24 hours enhances flavor and tenderness.
  • Butterflying the thighs and scoring the meat allows marinade to penetrate deeply.
  • Double-coating in potato starch creates an extra crispy crust.
  • Maintain oil temperature around 375°F (190°C) for best frying results.
  • Keeping fried chicken warm in a low oven prevents sogginess.
  • Use rice bran or peanut oil for high smoke points and neutral flavors.
  • This recipe is naturally gluten-free by using gluten-free soy sauce and potato starch.