Step 1
Cut the chicken into bite-sized pieces and place them in a bowl.
Step 2
Marinate the chicken with soy sauce, minced garlic, and grated ginger. Let it sit for 30 minutes.
Step 3
In another bowl, mix cornstarch and all-purpose flour.
Step 4
Coat each chicken piece in the flour mixture, pressing gently to ensure it sticks well.
Step 5
Heat oil in a deep pan and fry the chicken in batches until golden and crisp. Drain on paper towels.
Step 6
In a saucepan, combine gochujang, rice vinegar, brown sugar, soy sauce, and sesame oil. Simmer for 5–7 minutes.
Step 7
Add a splash of water if the sauce is too thick, and stir until smooth.
Step 8
Toss the fried chicken in the sauce until evenly coated.
Step 9
Transfer to a serving plate and sprinkle with sesame seeds and chopped green onion.
Step 10
Serve hot with steamed rice or as a standalone appetizer.