01 -
Cut chicken into 1-inch bite-sized pieces. Set aside.
02 -
In a small bowl, whisk together the egg, sunflower oil, salt, and ground black pepper until fully combined.
03 -
In a separate bowl, combine the cornstarch and the all-purpose flour, mixing thoroughly.
04 -
Dredge the chicken pieces first in the egg mixture, ensuring full coating, then transfer them to the dry breading mixture. Shake off any excess coating and arrange on a plate.
05 -
Preheat vegetable oil in a large, heavy-bottomed pot or deep skillet to 350°F. Working in batches, fry the coated chicken pieces until golden brown, crisp, and the internal temperature registers 165°F, about 3–5 minutes. Transfer fried chicken to a plate lined with paper towels.
06 -
In a medium saucepan, combine white distilled vinegar, cane sugar, water, soy sauce, crushed red pepper flakes, garlic, ginger, orange juice concentrate, cornstarch, sesame oil, and rice wine. Whisk to combine. Bring to a boil over medium heat, then simmer 1–2 minutes until thickened and glossy.
07 -
Add fried chicken pieces to the sauce and toss to coat evenly. Transfer coated chicken to a serving dish and serve hot.